./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:43:27,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:43:27,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-28 23:43:27,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:43:27,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:43:27,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:43:27,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:43:27,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:43:27,147 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:43:27,147 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:43:27,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:43:27,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:43:27,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:43:27,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:43:27,150 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:43:27,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:43:27,151 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 23:43:27,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:43:27,152 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 23:43:27,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:43:27,154 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-28 23:43:27,154 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-28 23:43:27,155 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-28 23:43:27,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:43:27,156 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-28 23:43:27,156 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 23:43:27,156 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 23:43:27,157 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:43:27,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:43:27,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:43:27,158 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:43:27,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:43:27,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:43:27,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:43:27,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:43:27,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 23:43:27,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 23:43:27,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:43:27,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:43:27,160 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:43:27,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:43:27,161 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 [2023-11-28 23:43:27,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:43:27,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:43:27,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:43:27,446 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:43:27,446 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:43:27,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2023-11-28 23:43:30,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:43:30,523 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:43:30,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2023-11-28 23:43:30,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/data/b79dc0545/97d2671f4c284ed29e4c78c0fd2dcced/FLAG7fc7cb8f9 [2023-11-28 23:43:30,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/data/b79dc0545/97d2671f4c284ed29e4c78c0fd2dcced [2023-11-28 23:43:30,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:43:30,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:43:30,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:43:30,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:43:30,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:43:30,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:30" (1/1) ... [2023-11-28 23:43:30,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee97db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:30, skipping insertion in model container [2023-11-28 23:43:30,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:30" (1/1) ... [2023-11-28 23:43:30,596 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:43:30,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:43:30,817 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-28 23:43:30,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4afcb91a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:30, skipping insertion in model container [2023-11-28 23:43:30,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:43:30,818 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-28 23:43:30,820 INFO L158 Benchmark]: Toolchain (without parser) took 267.19ms. Allocated memory is still 161.5MB. Free memory was 119.0MB in the beginning and 107.7MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-28 23:43:30,820 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 161.5MB. Free memory is still 132.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:43:30,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.40ms. Allocated memory is still 161.5MB. Free memory was 118.7MB in the beginning and 107.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-28 23:43:30,822 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 161.5MB. Free memory is still 132.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.40ms. Allocated memory is still 161.5MB. Free memory was 118.7MB in the beginning and 107.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 215]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:43:32,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:43:32,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-28 23:43:32,876 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:43:32,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:43:32,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:43:32,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:43:32,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:43:32,907 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:43:32,908 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:43:32,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:43:32,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:43:32,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:43:32,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:43:32,912 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:43:32,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:43:32,913 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 23:43:32,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:43:32,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 23:43:32,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:43:32,915 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-28 23:43:32,916 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-28 23:43:32,916 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-28 23:43:32,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:43:32,917 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-28 23:43:32,917 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-28 23:43:32,918 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-28 23:43:32,918 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 23:43:32,918 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 23:43:32,919 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:43:32,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:43:32,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:43:32,920 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:43:32,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:43:32,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:43:32,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:43:32,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:43:32,922 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-28 23:43:32,922 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-28 23:43:32,922 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:43:32,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:43:32,923 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:43:32,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:43:32,923 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-28 23:43:32,923 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 [2023-11-28 23:43:33,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:43:33,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:43:33,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:43:33,312 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:43:33,312 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:43:33,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2023-11-28 23:43:36,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:43:36,390 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:43:36,390 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2023-11-28 23:43:36,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/data/6377ae70b/4d20f534936a4202bece4cff75e8e76b/FLAGf03c730b4 [2023-11-28 23:43:36,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/data/6377ae70b/4d20f534936a4202bece4cff75e8e76b [2023-11-28 23:43:36,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:43:36,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:43:36,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:43:36,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:43:36,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:43:36,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:36" (1/1) ... [2023-11-28 23:43:36,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605f7df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:36, skipping insertion in model container [2023-11-28 23:43:36,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:36" (1/1) ... [2023-11-28 23:43:36,475 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:43:36,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:43:36,751 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-28 23:43:36,759 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:43:36,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:43:36,807 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:43:36,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:43:36,866 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:43:36,867 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:43:36,877 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:43:36,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:36 WrapperNode [2023-11-28 23:43:36,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:43:36,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:43:36,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:43:36,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:43:36,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:36" (1/1) ... [2023-11-28 23:43:36,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:36" (1/1) ... [2023-11-28 23:43:36,988 INFO L138 Inliner]: procedures = 28, calls = 94, calls flagged for inlining = 28, calls inlined = 34, statements flattened = 469 [2023-11-28 23:43:36,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:43:36,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:43:36,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:43:36,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:43:37,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:36" (1/1) ... [2023-11-28 23:43:37,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:36" (1/1) ... [2023-11-28 23:43:37,012 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:36" (1/1) ... [2023-11-28 23:43:37,039 INFO L175 MemorySlicer]: Split 26 memory accesses to 6 slices as follows [2, 2, 2, 2, 2, 16]. 62 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 1, 1, 4]. [2023-11-28 23:43:37,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:36" (1/1) ... [2023-11-28 23:43:37,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:36" (1/1) ... [2023-11-28 23:43:37,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:36" (1/1) ... [2023-11-28 23:43:37,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:36" (1/1) ... [2023-11-28 23:43:37,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:36" (1/1) ... [2023-11-28 23:43:37,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:36" (1/1) ... [2023-11-28 23:43:37,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:43:37,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:43:37,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:43:37,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:43:37,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:36" (1/1) ... [2023-11-28 23:43:37,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:43:37,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:43:37,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:43:37,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:43:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:43:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-28 23:43:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-28 23:43:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-28 23:43:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-28 23:43:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-28 23:43:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-28 23:43:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-28 23:43:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-28 23:43:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-28 23:43:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-28 23:43:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-28 23:43:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-28 23:43:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-28 23:43:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-28 23:43:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-28 23:43:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-28 23:43:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-28 23:43:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-28 23:43:37,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-28 23:43:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-28 23:43:37,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-28 23:43:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-28 23:43:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-28 23:43:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-28 23:43:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:43:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:43:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 23:43:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-28 23:43:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-28 23:43:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-28 23:43:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-28 23:43:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-28 23:43:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-28 23:43:37,175 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-28 23:43:37,333 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:43:37,336 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:43:38,522 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:43:39,161 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:43:39,161 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-28 23:43:39,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:39 BoogieIcfgContainer [2023-11-28 23:43:39,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:43:39,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:43:39,164 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:43:39,166 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:43:39,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:43:36" (1/3) ... [2023-11-28 23:43:39,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73260b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:43:39, skipping insertion in model container [2023-11-28 23:43:39,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:36" (2/3) ... [2023-11-28 23:43:39,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73260b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:43:39, skipping insertion in model container [2023-11-28 23:43:39,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:39" (3/3) ... [2023-11-28 23:43:39,169 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-2.wvr-bad.c [2023-11-28 23:43:39,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:43:39,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2023-11-28 23:43:39,187 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-28 23:43:39,314 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-28 23:43:39,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 138 places, 149 transitions, 326 flow [2023-11-28 23:43:39,439 INFO L124 PetriNetUnfolderBase]: 24/145 cut-off events. [2023-11-28 23:43:39,439 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-28 23:43:39,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 145 events. 24/145 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 446 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 110. Up to 8 conditions per place. [2023-11-28 23:43:39,446 INFO L82 GeneralOperation]: Start removeDead. Operand has 138 places, 149 transitions, 326 flow [2023-11-28 23:43:39,455 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 133 places, 144 transitions, 312 flow [2023-11-28 23:43:39,466 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:43:39,473 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78d2984d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:43:39,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2023-11-28 23:43:39,477 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-28 23:43:39,477 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2023-11-28 23:43:39,477 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-28 23:43:39,478 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:43:39,478 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-28 23:43:39,479 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 75 more)] === [2023-11-28 23:43:39,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:43:39,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1383924, now seen corresponding path program 1 times [2023-11-28 23:43:39,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:43:39,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274997971] [2023-11-28 23:43:39,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:43:39,498 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:43:39,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:43:39,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:43:39,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-28 23:43:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:43:39,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 23:43:39,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:43:39,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-28 23:43:39,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:39,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:39,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:39,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:39,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:39,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:39,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:39,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:39,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:39,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:39,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:39,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:39,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:39,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:39,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:39,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:39,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:39,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:43:39,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:39,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:40,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:40,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:40,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:40,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:40,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:40,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:43:40,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:40,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:40,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:40,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:40,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:43:40,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2023-11-28 23:43:40,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:43:40,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:43:40,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:43:40,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:43:40,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:43:40,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:40,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:40,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:40,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:40,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:41,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:41,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:41,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:41,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:41,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:41,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:41,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:41,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:41,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:41,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:41,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:43:41,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:41,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:41,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:41,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:43:41,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:41,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:41,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:41,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:41,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:41,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:41,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:41,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-28 23:43:41,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:43:41,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:41,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:43:41,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:43:41,488 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:43:41,489 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:43:41,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274997971] [2023-11-28 23:43:41,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [274997971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:43:41,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:43:41,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-28 23:43:41,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627676040] [2023-11-28 23:43:41,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:43:41,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:43:41,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:43:41,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:43:41,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:43:41,661 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 149 [2023-11-28 23:43:41,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 144 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:43:41,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:43:41,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 149 [2023-11-28 23:43:41,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:43:56,118 INFO L124 PetriNetUnfolderBase]: 79480/129524 cut-off events. [2023-11-28 23:43:56,119 INFO L125 PetriNetUnfolderBase]: For 2925/2926 co-relation queries the response was YES. [2023-11-28 23:43:56,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230224 conditions, 129524 events. 79480/129524 cut-off events. For 2925/2926 co-relation queries the response was YES. Maximal size of possible extension queue 10363. Compared 1370486 event pairs, 57638 based on Foata normal form. 8068/65666 useless extension candidates. Maximal degree in co-relation 222617. Up to 97760 conditions per place. [2023-11-28 23:43:57,435 INFO L140 encePairwiseOnDemand]: 138/149 looper letters, 72 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2023-11-28 23:43:57,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 134 transitions, 440 flow [2023-11-28 23:43:57,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:43:57,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 23:43:57,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 278 transitions. [2023-11-28 23:43:57,449 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6219239373601789 [2023-11-28 23:43:57,450 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 278 transitions. [2023-11-28 23:43:57,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 278 transitions. [2023-11-28 23:43:57,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:43:57,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 278 transitions. [2023-11-28 23:43:57,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:43:57,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:43:57,464 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:43:57,466 INFO L175 Difference]: Start difference. First operand has 133 places, 144 transitions, 312 flow. Second operand 3 states and 278 transitions. [2023-11-28 23:43:57,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 134 transitions, 440 flow [2023-11-28 23:43:57,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 134 transitions, 424 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-28 23:43:57,721 INFO L231 Difference]: Finished difference. Result has 121 places, 134 transitions, 280 flow [2023-11-28 23:43:57,723 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=121, PETRI_TRANSITIONS=134} [2023-11-28 23:43:57,728 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -12 predicate places. [2023-11-28 23:43:57,728 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 134 transitions, 280 flow [2023-11-28 23:43:57,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:43:57,729 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:43:57,729 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-28 23:43:57,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-28 23:43:57,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:43:57,930 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 75 more)] === [2023-11-28 23:43:57,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:43:57,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1383925, now seen corresponding path program 1 times [2023-11-28 23:43:57,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:43:57,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87891976] [2023-11-28 23:43:57,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:43:57,932 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:43:57,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:43:57,933 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:43:57,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-28 23:43:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:43:58,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-28 23:43:58,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:43:58,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2023-11-28 23:43:58,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:58,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:43:58,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:58,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:43:58,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:58,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:43:58,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 1 [2023-11-28 23:43:58,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:43:58,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:43:58,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:58,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:58,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:43:58,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:58,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:58,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:58,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:58,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:58,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:58,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:58,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:43:58,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:58,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:58,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:58,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:58,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:59,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:59,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:59,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:43:59,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:59,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:59,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:59,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:59,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:59,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:59,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:43:59,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:59,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:59,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:59,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:59,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:43:59,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:43:59,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:43:59,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:43:59,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:00,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:00,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:00,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:00,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:00,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:00,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:44:00,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:00,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:00,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:00,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:00,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:00,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:00,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:00,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:00,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:00,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:00,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:00,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:00,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:00,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:00,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:00,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:00,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:44:00,288 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:44:00,288 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:44:00,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87891976] [2023-11-28 23:44:00,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [87891976] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:44:00,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:44:00,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:44:00,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013575671] [2023-11-28 23:44:00,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:44:00,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:44:00,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:44:00,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:44:00,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:44:00,520 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 149 [2023-11-28 23:44:00,521 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 134 transitions, 280 flow. Second operand has 4 states, 4 states have (on average 65.75) internal successors, (263), 4 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:00,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:44:00,521 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 149 [2023-11-28 23:44:00,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:44:14,899 INFO L124 PetriNetUnfolderBase]: 79484/129536 cut-off events. [2023-11-28 23:44:14,899 INFO L125 PetriNetUnfolderBase]: For 585/586 co-relation queries the response was YES. [2023-11-28 23:44:15,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228498 conditions, 129536 events. 79484/129536 cut-off events. For 585/586 co-relation queries the response was YES. Maximal size of possible extension queue 10363. Compared 1370780 event pairs, 57638 based on Foata normal form. 0/57604 useless extension candidates. Maximal degree in co-relation 228434. Up to 97777 conditions per place. [2023-11-28 23:44:15,831 INFO L140 encePairwiseOnDemand]: 132/149 looper letters, 77 selfloop transitions, 13 changer transitions 0/146 dead transitions. [2023-11-28 23:44:15,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 146 transitions, 486 flow [2023-11-28 23:44:15,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:44:15,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-28 23:44:15,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 354 transitions. [2023-11-28 23:44:15,836 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5939597315436241 [2023-11-28 23:44:15,836 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 354 transitions. [2023-11-28 23:44:15,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 354 transitions. [2023-11-28 23:44:15,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:44:15,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 354 transitions. [2023-11-28 23:44:15,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 88.5) internal successors, (354), 4 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:15,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 149.0) internal successors, (745), 5 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:15,843 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 149.0) internal successors, (745), 5 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:15,843 INFO L175 Difference]: Start difference. First operand has 121 places, 134 transitions, 280 flow. Second operand 4 states and 354 transitions. [2023-11-28 23:44:15,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 146 transitions, 486 flow [2023-11-28 23:44:15,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 146 transitions, 480 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 23:44:15,848 INFO L231 Difference]: Finished difference. Result has 125 places, 146 transitions, 384 flow [2023-11-28 23:44:15,848 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=384, PETRI_PLACES=125, PETRI_TRANSITIONS=146} [2023-11-28 23:44:15,849 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -8 predicate places. [2023-11-28 23:44:15,850 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 146 transitions, 384 flow [2023-11-28 23:44:15,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.75) internal successors, (263), 4 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:15,850 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:44:15,850 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1] [2023-11-28 23:44:15,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-28 23:44:16,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:44:16,051 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 75 more)] === [2023-11-28 23:44:16,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:44:16,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1329997177, now seen corresponding path program 1 times [2023-11-28 23:44:16,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:44:16,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479219849] [2023-11-28 23:44:16,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:44:16,052 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:44:16,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:44:16,053 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:44:16,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-28 23:44:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:44:16,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-28 23:44:16,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:44:16,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2023-11-28 23:44:16,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:16,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:16,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:44:16,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:16,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:16,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:16,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:16,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:16,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:16,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:16,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:16,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:16,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:16,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:44:16,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 1 [2023-11-28 23:44:16,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:44:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:44:16,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:44:16,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:16,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:16,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:44:17,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:44:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:44:17,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:17,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:17,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:44:17,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:17,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:17,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:17,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:17,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:17,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:17,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:44:17,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:17,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:17,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:17,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:44:17,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:44:17,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:17,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:44:18,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:44:18,151 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:44:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:44:18,592 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:44:18,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479219849] [2023-11-28 23:44:18,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479219849] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:44:18,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 23:44:18,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2023-11-28 23:44:18,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350003663] [2023-11-28 23:44:18,593 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 23:44:18,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 23:44:18,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:44:18,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 23:44:18,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-28 23:44:20,012 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 149 [2023-11-28 23:44:20,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 146 transitions, 384 flow. Second operand has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:20,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:44:20,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 149 [2023-11-28 23:44:20,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:44:35,203 INFO L124 PetriNetUnfolderBase]: 79496/129572 cut-off events. [2023-11-28 23:44:35,203 INFO L125 PetriNetUnfolderBase]: For 597/598 co-relation queries the response was YES. [2023-11-28 23:44:35,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228656 conditions, 129572 events. 79496/129572 cut-off events. For 597/598 co-relation queries the response was YES. Maximal size of possible extension queue 10363. Compared 1370454 event pairs, 57638 based on Foata normal form. 0/57642 useless extension candidates. Maximal degree in co-relation 228451. Up to 97780 conditions per place. [2023-11-28 23:44:36,106 INFO L140 encePairwiseOnDemand]: 132/149 looper letters, 77 selfloop transitions, 49 changer transitions 0/182 dead transitions. [2023-11-28 23:44:36,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 182 transitions, 798 flow [2023-11-28 23:44:36,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-28 23:44:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-28 23:44:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 788 transitions. [2023-11-28 23:44:36,111 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5288590604026846 [2023-11-28 23:44:36,111 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 788 transitions. [2023-11-28 23:44:36,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 788 transitions. [2023-11-28 23:44:36,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:44:36,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 788 transitions. [2023-11-28 23:44:36,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 78.8) internal successors, (788), 10 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:36,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 149.0) internal successors, (1639), 11 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:36,122 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 149.0) internal successors, (1639), 11 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:36,122 INFO L175 Difference]: Start difference. First operand has 125 places, 146 transitions, 384 flow. Second operand 10 states and 788 transitions. [2023-11-28 23:44:36,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 182 transitions, 798 flow [2023-11-28 23:44:36,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 182 transitions, 798 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-28 23:44:36,129 INFO L231 Difference]: Finished difference. Result has 137 places, 182 transitions, 710 flow [2023-11-28 23:44:36,130 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=710, PETRI_PLACES=137, PETRI_TRANSITIONS=182} [2023-11-28 23:44:36,131 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, 4 predicate places. [2023-11-28 23:44:36,131 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 182 transitions, 710 flow [2023-11-28 23:44:36,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 66.0) internal successors, (660), 10 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:36,132 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:44:36,132 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-28 23:44:36,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-28 23:44:36,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:44:36,333 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 75 more)] === [2023-11-28 23:44:36,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:44:36,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1716949284, now seen corresponding path program 1 times [2023-11-28 23:44:36,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:44:36,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645619011] [2023-11-28 23:44:36,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:44:36,334 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:44:36,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:44:36,335 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:44:36,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-28 23:44:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:44:36,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-28 23:44:36,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:44:36,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,607 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2023-11-28 23:44:36,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 18 [2023-11-28 23:44:36,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,686 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-28 23:44:36,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 1 [2023-11-28 23:44:36,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,763 INFO L349 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2023-11-28 23:44:36,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 1 [2023-11-28 23:44:36,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,839 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-28 23:44:36,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 1 [2023-11-28 23:44:36,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,913 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-28 23:44:36,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 1 [2023-11-28 23:44:36,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:36,964 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:44:36,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-28 23:44:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,043 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-28 23:44:37,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 1 [2023-11-28 23:44:37,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,099 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:44:37,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 1 [2023-11-28 23:44:37,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2023-11-28 23:44:37,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,181 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:44:37,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 1 [2023-11-28 23:44:37,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2023-11-28 23:44:37,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,244 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:44:37,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-28 23:44:37,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2023-11-28 23:44:37,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,488 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:44:37,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-28 23:44:37,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2023-11-28 23:44:37,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,548 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:44:37,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-28 23:44:37,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,592 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:44:37,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-28 23:44:37,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,651 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-28 23:44:37,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 1 [2023-11-28 23:44:37,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2023-11-28 23:44:37,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,716 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:44:37,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-28 23:44:37,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,753 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:44:37,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-28 23:44:37,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2023-11-28 23:44:37,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,842 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-28 23:44:37,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 1 [2023-11-28 23:44:37,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,889 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:44:37,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 1 [2023-11-28 23:44:37,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2023-11-28 23:44:37,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:37,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2023-11-28 23:44:37,979 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-28 23:44:37,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-11-28 23:44:38,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:44:38,007 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:44:38,007 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:44:38,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645619011] [2023-11-28 23:44:38,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1645619011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:44:38,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:44:38,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:44:38,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178224200] [2023-11-28 23:44:38,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:44:38,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:44:38,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:44:38,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:44:38,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:44:38,217 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 149 [2023-11-28 23:44:38,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 182 transitions, 710 flow. Second operand has 4 states, 4 states have (on average 68.5) internal successors, (274), 4 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:38,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:44:38,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 149 [2023-11-28 23:44:38,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:44:50,448 INFO L124 PetriNetUnfolderBase]: 79496/122403 cut-off events. [2023-11-28 23:44:50,448 INFO L125 PetriNetUnfolderBase]: For 640/641 co-relation queries the response was YES. [2023-11-28 23:44:50,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221569 conditions, 122403 events. 79496/122403 cut-off events. For 640/641 co-relation queries the response was YES. Maximal size of possible extension queue 9711. Compared 1192737 event pairs, 57638 based on Foata normal form. 8193/65842 useless extension candidates. Maximal degree in co-relation 221453. Up to 97819 conditions per place. [2023-11-28 23:44:51,658 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 121 selfloop transitions, 1 changer transitions 0/180 dead transitions. [2023-11-28 23:44:51,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 180 transitions, 950 flow [2023-11-28 23:44:51,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:44:51,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 23:44:51,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2023-11-28 23:44:51,661 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6196868008948546 [2023-11-28 23:44:51,661 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 277 transitions. [2023-11-28 23:44:51,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 277 transitions. [2023-11-28 23:44:51,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:44:51,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 277 transitions. [2023-11-28 23:44:51,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:51,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:51,665 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:51,665 INFO L175 Difference]: Start difference. First operand has 137 places, 182 transitions, 710 flow. Second operand 3 states and 277 transitions. [2023-11-28 23:44:51,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 180 transitions, 950 flow [2023-11-28 23:44:51,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 180 transitions, 824 flow, removed 32 selfloop flow, removed 4 redundant places. [2023-11-28 23:44:51,674 INFO L231 Difference]: Finished difference. Result has 133 places, 180 transitions, 582 flow [2023-11-28 23:44:51,675 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=133, PETRI_TRANSITIONS=180} [2023-11-28 23:44:51,676 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, 0 predicate places. [2023-11-28 23:44:51,676 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 180 transitions, 582 flow [2023-11-28 23:44:51,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.5) internal successors, (274), 4 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:51,677 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:44:51,677 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-28 23:44:51,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-28 23:44:51,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:44:51,877 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 75 more)] === [2023-11-28 23:44:51,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:44:51,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1716949283, now seen corresponding path program 1 times [2023-11-28 23:44:51,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:44:51,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550683663] [2023-11-28 23:44:51,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:44:51,879 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:44:51,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:44:51,880 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:44:51,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-28 23:44:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:44:52,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-28 23:44:52,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:44:52,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 5 [2023-11-28 23:44:52,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2023-11-28 23:44:52,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2023-11-28 23:44:52,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:44:52,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:44:52,401 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:44:52,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2023-11-28 23:44:52,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:44:52,540 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:44:52,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,573 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:44:52,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2023-11-28 23:44:52,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:44:52,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,704 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:44:52,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:44:52,771 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:44:52,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:44:52,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:44:52,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:44:52,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:44:52,935 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:44:52,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:44:52,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:52,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:44:53,020 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:44:53,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:53,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:53,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:53,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:44:53,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:53,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2023-11-28 23:44:53,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:53,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:53,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:44:53,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:53,159 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:44:53,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:53,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:53,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:53,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:44:53,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:53,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:53,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:44:53,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:53,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-28 23:44:53,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:53,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-28 23:44:53,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:44:53,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-28 23:44:53,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:44:53,358 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:44:53,358 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:44:53,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550683663] [2023-11-28 23:44:53,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550683663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:44:53,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:44:53,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:44:53,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372431075] [2023-11-28 23:44:53,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:44:53,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:44:53,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:44:53,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:44:53,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:44:53,614 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 149 [2023-11-28 23:44:53,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 180 transitions, 582 flow. Second operand has 4 states, 4 states have (on average 68.5) internal successors, (274), 4 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:44:53,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:44:53,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 149 [2023-11-28 23:44:53,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:45:04,956 INFO L124 PetriNetUnfolderBase]: 79496/115234 cut-off events. [2023-11-28 23:45:04,956 INFO L125 PetriNetUnfolderBase]: For 612/613 co-relation queries the response was YES. [2023-11-28 23:45:05,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214341 conditions, 115234 events. 79496/115234 cut-off events. For 612/613 co-relation queries the response was YES. Maximal size of possible extension queue 9059. Compared 1020001 event pairs, 57638 based on Foata normal form. 8193/65839 useless extension candidates. Maximal degree in co-relation 214328. Up to 97819 conditions per place. [2023-11-28 23:45:05,793 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 121 selfloop transitions, 1 changer transitions 0/178 dead transitions. [2023-11-28 23:45:05,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 178 transitions, 822 flow [2023-11-28 23:45:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:45:05,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 23:45:05,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2023-11-28 23:45:05,796 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6196868008948546 [2023-11-28 23:45:05,796 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 277 transitions. [2023-11-28 23:45:05,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 277 transitions. [2023-11-28 23:45:05,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:45:05,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 277 transitions. [2023-11-28 23:45:05,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:45:05,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:45:05,798 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:45:05,799 INFO L175 Difference]: Start difference. First operand has 133 places, 180 transitions, 582 flow. Second operand 3 states and 277 transitions. [2023-11-28 23:45:05,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 178 transitions, 822 flow [2023-11-28 23:45:05,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 178 transitions, 821 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-28 23:45:05,804 INFO L231 Difference]: Finished difference. Result has 132 places, 178 transitions, 579 flow [2023-11-28 23:45:05,804 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=579, PETRI_PLACES=132, PETRI_TRANSITIONS=178} [2023-11-28 23:45:05,805 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -1 predicate places. [2023-11-28 23:45:05,805 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 178 transitions, 579 flow [2023-11-28 23:45:05,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.5) internal successors, (274), 4 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:45:05,806 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:45:05,806 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:45:05,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-28 23:45:06,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:45:06,007 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 75 more)] === [2023-11-28 23:45:06,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:45:06,007 INFO L85 PathProgramCache]: Analyzing trace with hash -869065461, now seen corresponding path program 1 times [2023-11-28 23:45:06,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:45:06,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [402651563] [2023-11-28 23:45:06,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:45:06,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:45:06,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:45:06,008 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:45:06,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-28 23:45:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:45:06,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-28 23:45:06,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:45:06,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,207 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2023-11-28 23:45:06,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 18 [2023-11-28 23:45:06,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,270 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-28 23:45:06,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 1 [2023-11-28 23:45:06,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,314 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:45:06,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 1 [2023-11-28 23:45:06,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:45:06,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,374 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:45:06,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-28 23:45:06,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:45:06,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,445 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:45:06,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 1 [2023-11-28 23:45:06,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,509 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-28 23:45:06,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 1 [2023-11-28 23:45:06,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:45:06,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,573 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:45:06,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 1 [2023-11-28 23:45:06,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:45:06,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,630 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:45:06,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-28 23:45:06,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2023-11-28 23:45:06,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,728 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:45:06,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 1 [2023-11-28 23:45:06,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,808 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-28 23:45:06,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 1 [2023-11-28 23:45:06,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,865 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:45:06,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 1 [2023-11-28 23:45:06,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,913 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:45:06,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-28 23:45:06,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2023-11-28 23:45:06,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:45:06,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:06,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,012 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:45:07,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 1 [2023-11-28 23:45:07,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,045 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:45:07,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-28 23:45:07,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:45:07,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,111 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:45:07,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 1 [2023-11-28 23:45:07,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,167 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-28 23:45:07,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 1 [2023-11-28 23:45:07,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,211 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:45:07,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-28 23:45:07,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2023-11-28 23:45:07,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,291 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-28 23:45:07,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 1 [2023-11-28 23:45:07,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,333 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:45:07,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-28 23:45:07,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,367 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:45:07,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-28 23:45:07,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2023-11-28 23:45:07,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2023-11-28 23:45:07,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:07,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2023-11-28 23:45:07,467 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-28 23:45:07,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-11-28 23:45:07,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:45:07,517 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:45:07,517 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:45:07,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [402651563] [2023-11-28 23:45:07,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [402651563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:45:07,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:45:07,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:45:07,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310888768] [2023-11-28 23:45:07,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:45:07,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:45:07,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:45:07,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:45:07,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:45:07,694 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 149 [2023-11-28 23:45:07,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 178 transitions, 579 flow. Second operand has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:45:07,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:45:07,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 149 [2023-11-28 23:45:07,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:45:18,884 INFO L124 PetriNetUnfolderBase]: 79496/114771 cut-off events. [2023-11-28 23:45:18,884 INFO L125 PetriNetUnfolderBase]: For 612/613 co-relation queries the response was YES. [2023-11-28 23:45:19,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 213879 conditions, 114771 events. 79496/114771 cut-off events. For 612/613 co-relation queries the response was YES. Maximal size of possible extension queue 9019. Compared 1008581 event pairs, 57638 based on Foata normal form. 464/58110 useless extension candidates. Maximal degree in co-relation 213865. Up to 97819 conditions per place. [2023-11-28 23:45:19,738 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 121 selfloop transitions, 1 changer transitions 0/176 dead transitions. [2023-11-28 23:45:19,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 176 transitions, 819 flow [2023-11-28 23:45:19,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:45:19,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 23:45:19,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2023-11-28 23:45:19,740 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6196868008948546 [2023-11-28 23:45:19,740 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 277 transitions. [2023-11-28 23:45:19,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 277 transitions. [2023-11-28 23:45:19,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:45:19,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 277 transitions. [2023-11-28 23:45:19,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:45:19,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:45:19,742 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:45:19,742 INFO L175 Difference]: Start difference. First operand has 132 places, 178 transitions, 579 flow. Second operand 3 states and 277 transitions. [2023-11-28 23:45:19,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 176 transitions, 819 flow [2023-11-28 23:45:19,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 176 transitions, 818 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-28 23:45:19,747 INFO L231 Difference]: Finished difference. Result has 131 places, 176 transitions, 576 flow [2023-11-28 23:45:19,747 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=131, PETRI_TRANSITIONS=176} [2023-11-28 23:45:19,748 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -2 predicate places. [2023-11-28 23:45:19,748 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 176 transitions, 576 flow [2023-11-28 23:45:19,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:45:19,749 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:45:19,749 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:45:19,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-28 23:45:19,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:45:19,950 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 75 more)] === [2023-11-28 23:45:19,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:45:19,950 INFO L85 PathProgramCache]: Analyzing trace with hash -869065460, now seen corresponding path program 1 times [2023-11-28 23:45:19,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:45:19,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177257476] [2023-11-28 23:45:19,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:45:19,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:45:19,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:45:19,952 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:45:19,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-28 23:45:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:45:20,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-28 23:45:20,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:45:20,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2023-11-28 23:45:20,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-28 23:45:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:45:20,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:45:20,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:45:20,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:45:20,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:45:20,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:45:20,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:45:20,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:45:20,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:45:20,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:45:20,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:45:20,490 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:45:20,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,508 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:45:20,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,541 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:45:20,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:45:20,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:45:20,641 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:45:20,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,666 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:45:20,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-28 23:45:20,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:45:20,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:45:20,803 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:45:20,819 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:45:20,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:45:20,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:45:20,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:45:20,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,961 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:45:20,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:20,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:21,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:21,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2023-11-28 23:45:21,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:21,065 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:45:21,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:21,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:21,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:21,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:45:21,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:21,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-28 23:45:21,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:21,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-28 23:45:21,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:21,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-28 23:45:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:45:21,242 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:45:21,242 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:45:21,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177257476] [2023-11-28 23:45:21,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177257476] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:45:21,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:45:21,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:45:21,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722778089] [2023-11-28 23:45:21,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:45:21,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:45:21,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:45:21,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:45:21,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:45:21,455 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 149 [2023-11-28 23:45:21,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 176 transitions, 576 flow. Second operand has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:45:21,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:45:21,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 149 [2023-11-28 23:45:21,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:45:32,334 INFO L124 PetriNetUnfolderBase]: 79496/114308 cut-off events. [2023-11-28 23:45:32,334 INFO L125 PetriNetUnfolderBase]: For 612/613 co-relation queries the response was YES. [2023-11-28 23:45:32,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 213417 conditions, 114308 events. 79496/114308 cut-off events. For 612/613 co-relation queries the response was YES. Maximal size of possible extension queue 8979. Compared 998321 event pairs, 57638 based on Foata normal form. 464/58110 useless extension candidates. Maximal degree in co-relation 213402. Up to 97819 conditions per place. [2023-11-28 23:45:33,313 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 121 selfloop transitions, 1 changer transitions 0/174 dead transitions. [2023-11-28 23:45:33,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 174 transitions, 816 flow [2023-11-28 23:45:33,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:45:33,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 23:45:33,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2023-11-28 23:45:33,315 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6196868008948546 [2023-11-28 23:45:33,315 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 277 transitions. [2023-11-28 23:45:33,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 277 transitions. [2023-11-28 23:45:33,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:45:33,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 277 transitions. [2023-11-28 23:45:33,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:45:33,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:45:33,317 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:45:33,317 INFO L175 Difference]: Start difference. First operand has 131 places, 176 transitions, 576 flow. Second operand 3 states and 277 transitions. [2023-11-28 23:45:33,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 174 transitions, 816 flow [2023-11-28 23:45:33,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 174 transitions, 815 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-28 23:45:33,321 INFO L231 Difference]: Finished difference. Result has 130 places, 174 transitions, 573 flow [2023-11-28 23:45:33,322 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=571, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=573, PETRI_PLACES=130, PETRI_TRANSITIONS=174} [2023-11-28 23:45:33,322 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, -3 predicate places. [2023-11-28 23:45:33,322 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 174 transitions, 573 flow [2023-11-28 23:45:33,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:45:33,323 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:45:33,323 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 4, 1, 1] [2023-11-28 23:45:33,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-28 23:45:33,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:45:33,523 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 75 more)] === [2023-11-28 23:45:33,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:45:33,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1202935301, now seen corresponding path program 2 times [2023-11-28 23:45:33,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:45:33,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774021261] [2023-11-28 23:45:33,524 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-28 23:45:33,524 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:45:33,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:45:33,525 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:45:33,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-28 23:45:33,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-28 23:45:33,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 23:45:33,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-28 23:45:33,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:45:33,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2023-11-28 23:45:33,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:33,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:33,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:33,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:33,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:45:33,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:33,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:33,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:45:33,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:33,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:33,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:33,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:33,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:45:33,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:33,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:45:33,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:33,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 1 [2023-11-28 23:45:34,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:45:34,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:45:34,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:45:34,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:45:34,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:45:34,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:34,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:34,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:34,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:34,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:35,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:35,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:35,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:35,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:35,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:35,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:35,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:35,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:35,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:35,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:35,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:35,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:35,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:35,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:35,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:35,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:35,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:35,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2023-11-28 23:45:35,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:35,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:35,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:35,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:35,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:35,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:35,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:35,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:35,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:35,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-28 23:45:35,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-28 23:45:35,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:45:35,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-28 23:45:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:45:35,562 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:45:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:45:36,253 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:45:36,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774021261] [2023-11-28 23:45:36,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774021261] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:45:36,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 23:45:36,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2023-11-28 23:45:36,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025803509] [2023-11-28 23:45:36,253 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 23:45:36,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-28 23:45:36,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:45:36,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-28 23:45:36,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2023-11-28 23:45:40,085 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 149 [2023-11-28 23:45:40,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 174 transitions, 573 flow. Second operand has 14 states, 14 states have (on average 66.57142857142857) internal successors, (932), 14 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:45:40,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:45:40,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 149 [2023-11-28 23:45:40,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:45:46,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:45:49,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:45:52,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:45:55,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:45:56,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:45:59,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:46:03,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:46:06,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:46:08,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:46:11,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:46:14,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:46:17,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:46:18,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:46:20,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:46:22,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:46:26,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:46:28,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:46:31,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:46:34,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 23:46:47,692 INFO L124 PetriNetUnfolderBase]: 79520/114380 cut-off events. [2023-11-28 23:46:47,692 INFO L125 PetriNetUnfolderBase]: For 756/757 co-relation queries the response was YES. [2023-11-28 23:46:48,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 213680 conditions, 114380 events. 79520/114380 cut-off events. For 756/757 co-relation queries the response was YES. Maximal size of possible extension queue 8979. Compared 998744 event pairs, 57638 based on Foata normal form. 24/57718 useless extension candidates. Maximal degree in co-relation 213664. Up to 97786 conditions per place. [2023-11-28 23:46:48,586 INFO L140 encePairwiseOnDemand]: 132/149 looper letters, 77 selfloop transitions, 121 changer transitions 0/246 dead transitions. [2023-11-28 23:46:48,586 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 246 transitions, 1323 flow [2023-11-28 23:46:48,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-28 23:46:48,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-11-28 23:46:48,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1652 transitions. [2023-11-28 23:46:48,593 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5039658328248933 [2023-11-28 23:46:48,593 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1652 transitions. [2023-11-28 23:46:48,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1652 transitions. [2023-11-28 23:46:48,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:46:48,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1652 transitions. [2023-11-28 23:46:48,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 75.0909090909091) internal successors, (1652), 22 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:46:48,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 149.0) internal successors, (3427), 23 states have internal predecessors, (3427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:46:48,605 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 149.0) internal successors, (3427), 23 states have internal predecessors, (3427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:46:48,605 INFO L175 Difference]: Start difference. First operand has 130 places, 174 transitions, 573 flow. Second operand 22 states and 1652 transitions. [2023-11-28 23:46:48,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 246 transitions, 1323 flow [2023-11-28 23:46:48,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 246 transitions, 1322 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-28 23:46:48,613 INFO L231 Difference]: Finished difference. Result has 156 places, 246 transitions, 1282 flow [2023-11-28 23:46:48,613 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1282, PETRI_PLACES=156, PETRI_TRANSITIONS=246} [2023-11-28 23:46:48,614 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, 23 predicate places. [2023-11-28 23:46:48,614 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 246 transitions, 1282 flow [2023-11-28 23:46:48,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 66.57142857142857) internal successors, (932), 14 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:46:48,615 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:46:48,615 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:46:48,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-11-28 23:46:48,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:46:48,819 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 75 more)] === [2023-11-28 23:46:48,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:46:48,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1944019632, now seen corresponding path program 1 times [2023-11-28 23:46:48,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:46:48,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1071521055] [2023-11-28 23:46:48,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:46:48,820 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:46:48,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:46:48,821 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:46:48,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-28 23:46:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:46:48,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 23:46:48,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:46:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:46:48,955 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:46:48,956 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:46:48,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1071521055] [2023-11-28 23:46:48,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1071521055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:46:48,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:46:48,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-28 23:46:48,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421483325] [2023-11-28 23:46:48,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:46:48,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:46:48,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:46:48,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:46:48,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:46:48,958 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 149 [2023-11-28 23:46:48,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 246 transitions, 1282 flow. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:46:48,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:46:48,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 149 [2023-11-28 23:46:48,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:47:08,834 INFO L124 PetriNetUnfolderBase]: 129048/176931 cut-off events. [2023-11-28 23:47:08,835 INFO L125 PetriNetUnfolderBase]: For 1359/1360 co-relation queries the response was YES. [2023-11-28 23:47:09,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337758 conditions, 176931 events. 129048/176931 cut-off events. For 1359/1360 co-relation queries the response was YES. Maximal size of possible extension queue 12126. Compared 1433943 event pairs, 42266 based on Foata normal form. 3501/92862 useless extension candidates. Maximal degree in co-relation 337735. Up to 102073 conditions per place. [2023-11-28 23:47:10,631 INFO L140 encePairwiseOnDemand]: 136/149 looper letters, 239 selfloop transitions, 4 changer transitions 0/295 dead transitions. [2023-11-28 23:47:10,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 295 transitions, 1872 flow [2023-11-28 23:47:10,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:47:10,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 23:47:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2023-11-28 23:47:10,633 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7583892617449665 [2023-11-28 23:47:10,633 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 339 transitions. [2023-11-28 23:47:10,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 339 transitions. [2023-11-28 23:47:10,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:47:10,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 339 transitions. [2023-11-28 23:47:10,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:47:10,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:47:10,636 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:47:10,636 INFO L175 Difference]: Start difference. First operand has 156 places, 246 transitions, 1282 flow. Second operand 3 states and 339 transitions. [2023-11-28 23:47:10,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 295 transitions, 1872 flow [2023-11-28 23:47:10,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 295 transitions, 1564 flow, removed 87 selfloop flow, removed 9 redundant places. [2023-11-28 23:47:10,645 INFO L231 Difference]: Finished difference. Result has 150 places, 249 transitions, 1016 flow [2023-11-28 23:47:10,646 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=974, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1016, PETRI_PLACES=150, PETRI_TRANSITIONS=249} [2023-11-28 23:47:10,646 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, 17 predicate places. [2023-11-28 23:47:10,647 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 249 transitions, 1016 flow [2023-11-28 23:47:10,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:47:10,647 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:47:10,647 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:47:10,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-11-28 23:47:10,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:47:10,848 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 75 more)] === [2023-11-28 23:47:10,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:47:10,848 INFO L85 PathProgramCache]: Analyzing trace with hash -264763494, now seen corresponding path program 1 times [2023-11-28 23:47:10,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:47:10,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [732322866] [2023-11-28 23:47:10,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:47:10,849 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:47:10,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:47:10,850 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:47:10,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-28 23:47:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:47:11,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-28 23:47:11,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:47:11,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2023-11-28 23:47:11,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-28 23:47:11,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:47:11,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:47:11,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:47:11,264 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,270 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:47:11,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,339 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,354 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:47:11,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:47:11,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:47:11,439 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,456 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,461 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:47:11,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:47:11,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,529 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:47:11,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:47:11,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:47:11,618 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:47:11,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:47:11,699 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:47:11,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:47:11,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-28 23:47:11,824 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,830 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,836 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,866 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,887 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,891 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-28 23:47:11,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:11,958 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,985 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:11,990 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:12,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:12,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:12,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:12,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:12,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-28 23:47:12,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:12,047 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:12,059 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:12,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:12,084 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:12,097 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:12,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:12,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:12,119 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:12,137 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:12,142 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-28 23:47:12,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:12,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-28 23:47:12,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:12,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-28 23:47:12,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:12,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-28 23:47:12,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:47:12,327 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:47:12,327 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:47:12,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [732322866] [2023-11-28 23:47:12,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [732322866] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:47:12,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:47:12,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:47:12,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398574473] [2023-11-28 23:47:12,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:47:12,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:47:12,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:47:12,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:47:12,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:47:12,551 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 149 [2023-11-28 23:47:12,552 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 249 transitions, 1016 flow. Second operand has 4 states, 4 states have (on average 69.5) internal successors, (278), 4 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:47:12,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:47:12,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 149 [2023-11-28 23:47:12,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:47:33,092 INFO L124 PetriNetUnfolderBase]: 128154/179727 cut-off events. [2023-11-28 23:47:33,092 INFO L125 PetriNetUnfolderBase]: For 13522/13592 co-relation queries the response was YES. [2023-11-28 23:47:34,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366589 conditions, 179727 events. 128154/179727 cut-off events. For 13522/13592 co-relation queries the response was YES. Maximal size of possible extension queue 12350. Compared 1534953 event pairs, 94250 based on Foata normal form. 320/101362 useless extension candidates. Maximal degree in co-relation 366565. Up to 158524 conditions per place. [2023-11-28 23:47:34,997 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 196 selfloop transitions, 1 changer transitions 0/247 dead transitions. [2023-11-28 23:47:34,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 247 transitions, 1406 flow [2023-11-28 23:47:34,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:47:34,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 23:47:34,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2023-11-28 23:47:34,999 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6196868008948546 [2023-11-28 23:47:34,999 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 277 transitions. [2023-11-28 23:47:34,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 277 transitions. [2023-11-28 23:47:34,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:47:34,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 277 transitions. [2023-11-28 23:47:35,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:47:35,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:47:35,001 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:47:35,001 INFO L175 Difference]: Start difference. First operand has 150 places, 249 transitions, 1016 flow. Second operand 3 states and 277 transitions. [2023-11-28 23:47:35,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 247 transitions, 1406 flow [2023-11-28 23:47:35,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 247 transitions, 1402 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-28 23:47:35,010 INFO L231 Difference]: Finished difference. Result has 149 places, 247 transitions, 1010 flow [2023-11-28 23:47:35,011 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=1008, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1010, PETRI_PLACES=149, PETRI_TRANSITIONS=247} [2023-11-28 23:47:35,011 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, 16 predicate places. [2023-11-28 23:47:35,011 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 247 transitions, 1010 flow [2023-11-28 23:47:35,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 4 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:47:35,012 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:47:35,012 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:47:35,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2023-11-28 23:47:35,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:47:35,213 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 75 more)] === [2023-11-28 23:47:35,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:47:35,213 INFO L85 PathProgramCache]: Analyzing trace with hash -264763495, now seen corresponding path program 1 times [2023-11-28 23:47:35,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:47:35,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [817030340] [2023-11-28 23:47:35,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:47:35,213 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:47:35,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:47:35,214 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:47:35,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-28 23:47:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:47:35,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-28 23:47:35,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:47:35,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,408 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2023-11-28 23:47:35,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 15 [2023-11-28 23:47:35,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:47:35,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2023-11-28 23:47:35,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,484 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:35,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-28 23:47:35,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2023-11-28 23:47:35,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,551 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:35,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-28 23:47:35,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:47:35,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,597 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:35,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-28 23:47:35,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2023-11-28 23:47:35,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,666 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:35,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-28 23:47:35,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,708 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:35,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 1 [2023-11-28 23:47:35,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2023-11-28 23:47:35,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,780 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:35,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-28 23:47:35,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2023-11-28 23:47:35,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,869 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:35,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 1 [2023-11-28 23:47:35,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2023-11-28 23:47:35,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,963 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:35,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 1 [2023-11-28 23:47:35,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:35,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2023-11-28 23:47:36,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:47:36,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,050 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:36,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-28 23:47:36,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:47:36,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,111 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:36,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-28 23:47:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,144 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:36,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-28 23:47:36,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:47:36,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,200 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:36,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-28 23:47:36,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:47:36,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2023-11-28 23:47:36,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,309 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:36,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-28 23:47:36,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,341 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:36,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-28 23:47:36,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:47:36,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,395 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:36,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-28 23:47:36,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:47:36,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,454 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:36,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-28 23:47:36,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:47:36,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-28 23:47:36,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,527 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:36,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-28 23:47:36,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2023-11-28 23:47:36,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,579 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:36,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-28 23:47:36,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2023-11-28 23:47:36,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,658 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-28 23:47:36,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-28 23:47:36,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2023-11-28 23:47:36,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:47:36,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2023-11-28 23:47:36,742 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-28 23:47:36,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-11-28 23:47:36,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:47:36,819 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:47:36,819 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:47:36,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [817030340] [2023-11-28 23:47:36,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [817030340] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:47:36,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:47:36,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:47:36,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376173051] [2023-11-28 23:47:36,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:47:36,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:47:36,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:47:36,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:47:36,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:47:36,946 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 149 [2023-11-28 23:47:36,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 247 transitions, 1010 flow. Second operand has 4 states, 4 states have (on average 69.5) internal successors, (278), 4 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:47:36,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:47:36,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 149 [2023-11-28 23:47:36,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:47:56,663 INFO L124 PetriNetUnfolderBase]: 128154/179475 cut-off events. [2023-11-28 23:47:56,663 INFO L125 PetriNetUnfolderBase]: For 13522/13592 co-relation queries the response was YES. [2023-11-28 23:47:57,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361949 conditions, 179475 events. 128154/179475 cut-off events. For 13522/13592 co-relation queries the response was YES. Maximal size of possible extension queue 12349. Compared 1528354 event pairs, 94250 based on Foata normal form. 320/101362 useless extension candidates. Maximal degree in co-relation 361924. Up to 158524 conditions per place. [2023-11-28 23:47:58,572 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 196 selfloop transitions, 1 changer transitions 0/245 dead transitions. [2023-11-28 23:47:58,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 245 transitions, 1400 flow [2023-11-28 23:47:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:47:58,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 23:47:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2023-11-28 23:47:58,574 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6196868008948546 [2023-11-28 23:47:58,574 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 277 transitions. [2023-11-28 23:47:58,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 277 transitions. [2023-11-28 23:47:58,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:47:58,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 277 transitions. [2023-11-28 23:47:58,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:47:58,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:47:58,577 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:47:58,577 INFO L175 Difference]: Start difference. First operand has 149 places, 247 transitions, 1010 flow. Second operand 3 states and 277 transitions. [2023-11-28 23:47:58,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 245 transitions, 1400 flow [2023-11-28 23:47:58,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 245 transitions, 1399 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-28 23:47:58,585 INFO L231 Difference]: Finished difference. Result has 148 places, 245 transitions, 1007 flow [2023-11-28 23:47:58,586 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=1005, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1007, PETRI_PLACES=148, PETRI_TRANSITIONS=245} [2023-11-28 23:47:58,586 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, 15 predicate places. [2023-11-28 23:47:58,586 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 245 transitions, 1007 flow [2023-11-28 23:47:58,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 4 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:47:58,586 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:47:58,587 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:47:58,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-11-28 23:47:58,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:47:58,787 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 75 more)] === [2023-11-28 23:47:58,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:47:58,787 INFO L85 PathProgramCache]: Analyzing trace with hash -135063893, now seen corresponding path program 1 times [2023-11-28 23:47:58,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:47:58,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705843691] [2023-11-28 23:47:58,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:47:58,788 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:47:58,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:47:58,789 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:47:58,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-28 23:47:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:47:58,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 23:47:58,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:47:58,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:47:58,893 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:47:58,893 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:47:58,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1705843691] [2023-11-28 23:47:58,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1705843691] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:47:58,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:47:58,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:47:58,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108950038] [2023-11-28 23:47:58,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:47:58,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:47:58,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:47:58,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:47:58,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:47:58,908 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 149 [2023-11-28 23:47:58,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 245 transitions, 1007 flow. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:47:58,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:47:58,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 149 [2023-11-28 23:47:58,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:48:22,215 INFO L124 PetriNetUnfolderBase]: 153548/210663 cut-off events. [2023-11-28 23:48:22,215 INFO L125 PetriNetUnfolderBase]: For 13813/15105 co-relation queries the response was YES. [2023-11-28 23:48:23,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 428735 conditions, 210663 events. 153548/210663 cut-off events. For 13813/15105 co-relation queries the response was YES. Maximal size of possible extension queue 7752. Compared 1630172 event pairs, 43938 based on Foata normal form. 0/130432 useless extension candidates. Maximal degree in co-relation 428709. Up to 118860 conditions per place. [2023-11-28 23:48:24,249 INFO L140 encePairwiseOnDemand]: 144/149 looper letters, 241 selfloop transitions, 4 changer transitions 0/286 dead transitions. [2023-11-28 23:48:24,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 286 transitions, 1591 flow [2023-11-28 23:48:24,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:48:24,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 23:48:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 309 transitions. [2023-11-28 23:48:24,251 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6912751677852349 [2023-11-28 23:48:24,251 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 309 transitions. [2023-11-28 23:48:24,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 309 transitions. [2023-11-28 23:48:24,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:48:24,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 309 transitions. [2023-11-28 23:48:24,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:48:24,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:48:24,254 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:48:24,254 INFO L175 Difference]: Start difference. First operand has 148 places, 245 transitions, 1007 flow. Second operand 3 states and 309 transitions. [2023-11-28 23:48:24,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 286 transitions, 1591 flow [2023-11-28 23:48:24,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 286 transitions, 1590 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-28 23:48:24,263 INFO L231 Difference]: Finished difference. Result has 151 places, 246 transitions, 1028 flow [2023-11-28 23:48:24,264 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=1006, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1028, PETRI_PLACES=151, PETRI_TRANSITIONS=246} [2023-11-28 23:48:24,264 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, 18 predicate places. [2023-11-28 23:48:24,264 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 246 transitions, 1028 flow [2023-11-28 23:48:24,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:48:24,265 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:48:24,265 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:48:24,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2023-11-28 23:48:24,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:48:24,466 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 75 more)] === [2023-11-28 23:48:24,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:48:24,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1031829699, now seen corresponding path program 1 times [2023-11-28 23:48:24,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:48:24,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273542085] [2023-11-28 23:48:24,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:48:24,466 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:48:24,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:48:24,467 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:48:24,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-28 23:48:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:48:24,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 23:48:24,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:48:24,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:48:24,583 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:48:24,583 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:48:24,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273542085] [2023-11-28 23:48:24,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273542085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:48:24,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:48:24,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:48:24,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795976605] [2023-11-28 23:48:24,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:48:24,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:48:24,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:48:24,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:48:24,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:48:24,585 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 149 [2023-11-28 23:48:24,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 246 transitions, 1028 flow. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:48:24,585 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:48:24,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 149 [2023-11-28 23:48:24,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-28 23:48:55,007 INFO L124 PetriNetUnfolderBase]: 186114/264088 cut-off events. [2023-11-28 23:48:55,007 INFO L125 PetriNetUnfolderBase]: For 38325/39299 co-relation queries the response was YES. [2023-11-28 23:48:56,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 551835 conditions, 264088 events. 186114/264088 cut-off events. For 38325/39299 co-relation queries the response was YES. Maximal size of possible extension queue 9482. Compared 2198192 event pairs, 70545 based on Foata normal form. 3688/164075 useless extension candidates. Maximal degree in co-relation 551806. Up to 122203 conditions per place. [2023-11-28 23:48:57,877 INFO L140 encePairwiseOnDemand]: 144/149 looper letters, 250 selfloop transitions, 2 changer transitions 0/301 dead transitions. [2023-11-28 23:48:57,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 301 transitions, 1680 flow [2023-11-28 23:48:57,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:48:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-28 23:48:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2023-11-28 23:48:57,879 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7583892617449665 [2023-11-28 23:48:57,879 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 339 transitions. [2023-11-28 23:48:57,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 339 transitions. [2023-11-28 23:48:57,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:48:57,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 339 transitions. [2023-11-28 23:48:57,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:48:57,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:48:57,881 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:48:57,881 INFO L175 Difference]: Start difference. First operand has 151 places, 246 transitions, 1028 flow. Second operand 3 states and 339 transitions. [2023-11-28 23:48:57,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 301 transitions, 1680 flow [2023-11-28 23:48:57,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 301 transitions, 1668 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-28 23:48:57,924 INFO L231 Difference]: Finished difference. Result has 152 places, 247 transitions, 1036 flow [2023-11-28 23:48:57,924 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=1020, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1036, PETRI_PLACES=152, PETRI_TRANSITIONS=247} [2023-11-28 23:48:57,925 INFO L281 CegarLoopForPetriNet]: 133 programPoint places, 19 predicate places. [2023-11-28 23:48:57,925 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 247 transitions, 1036 flow [2023-11-28 23:48:57,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:48:57,926 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-28 23:48:57,926 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:48:57,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-11-28 23:48:58,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:48:58,126 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 75 more)] === [2023-11-28 23:48:58,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:48:58,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1921947007, now seen corresponding path program 1 times [2023-11-28 23:48:58,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:48:58,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451734565] [2023-11-28 23:48:58,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:48:58,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:48:58,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:48:58,129 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:48:58,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec681103-1732-40e7-9967-a38a4c78cb0b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-11-28 23:48:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:48:58,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 23:48:58,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:48:58,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:48:58,248 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:48:58,248 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-28 23:48:58,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1451734565] [2023-11-28 23:48:58,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1451734565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:48:58,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:48:58,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:48:58,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971073248] [2023-11-28 23:48:58,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:48:58,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:48:58,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-28 23:48:58,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:48:58,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:48:58,254 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 149 [2023-11-28 23:48:58,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 247 transitions, 1036 flow. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:48:58,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-28 23:48:58,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 149 [2023-11-28 23:48:58,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand