./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu --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 52769785b06238c88fd6b21b09d77c08165e59529f322f93adf725e9d68e47df --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:54:07,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:54:07,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 07:54:07,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:54:07,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:54:07,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:54:07,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:54:07,209 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:54:07,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:54:07,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:54:07,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:54:07,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:54:07,213 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:54:07,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:54:07,215 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:54:07,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:54:07,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:54:07,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:54:07,217 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:54:07,218 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:54:07,218 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:54:07,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:54:07,220 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:54:07,220 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:54:07,221 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:54:07,221 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:54:07,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:54:07,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:54:07,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:54:07,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:07,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:54:07,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:54:07,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:54:07,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:54:07,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:54:07,227 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:54:07,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:54:07,228 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:54:07,228 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_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52769785b06238c88fd6b21b09d77c08165e59529f322f93adf725e9d68e47df [2023-11-19 07:54:07,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:54:07,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:54:07,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:54:07,659 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:54:07,661 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:54:07,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-1.i [2023-11-19 07:54:11,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:54:11,654 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:54:11,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-1.i [2023-11-19 07:54:11,676 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/data/59ba8623e/ff4fcf1f66dc4f0aa6dc413ee11dad63/FLAG1cd5c7037 [2023-11-19 07:54:11,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/data/59ba8623e/ff4fcf1f66dc4f0aa6dc413ee11dad63 [2023-11-19 07:54:11,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:54:11,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:54:11,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:11,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:54:11,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:54:11,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:11" (1/1) ... [2023-11-19 07:54:11,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d40754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:11, skipping insertion in model container [2023-11-19 07:54:11,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:11" (1/1) ... [2023-11-19 07:54:11,800 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:54:12,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:12,212 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) [2023-11-19 07:54:12,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@421f0f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:12, skipping insertion in model container [2023-11-19 07:54:12,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:12,214 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 07:54:12,216 INFO L158 Benchmark]: Toolchain (without parser) took 509.36ms. Allocated memory is still 159.4MB. Free memory was 111.5MB in the beginning and 99.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:54:12,217 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 159.4MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:54:12,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.69ms. Allocated memory is still 159.4MB. Free memory was 111.5MB in the beginning and 99.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:54:12,220 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 159.4MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 504.69ms. Allocated memory is still 159.4MB. Free memory was 111.5MB in the beginning and 99.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 556]: 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_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu --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 52769785b06238c88fd6b21b09d77c08165e59529f322f93adf725e9d68e47df --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:54:15,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:54:15,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-19 07:54:15,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:54:15,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:54:15,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:54:15,157 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:54:15,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:54:15,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:54:15,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:54:15,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:54:15,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:54:15,162 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:54:15,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:54:15,164 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:54:15,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:54:15,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:54:15,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:54:15,167 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:54:15,168 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:54:15,169 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:54:15,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:54:15,170 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:54:15,171 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:54:15,171 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:54:15,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:54:15,173 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:54:15,173 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:54:15,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:54:15,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:54:15,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:54:15,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:15,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:54:15,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:54:15,178 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:54:15,178 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:54:15,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:54:15,179 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:54:15,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:54:15,181 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:54:15,181 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:54:15,182 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_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52769785b06238c88fd6b21b09d77c08165e59529f322f93adf725e9d68e47df [2023-11-19 07:54:15,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:54:15,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:54:15,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:54:15,748 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:54:15,749 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:54:15,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-1.i [2023-11-19 07:54:19,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:54:19,670 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:54:19,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/sv-benchmarks/c/memsafety-ext2/complex_data_creation_test01-1.i [2023-11-19 07:54:19,697 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/data/a11b89f1a/a7225819ed394052a7fc68f7aba1055c/FLAG788f7a064 [2023-11-19 07:54:19,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/data/a11b89f1a/a7225819ed394052a7fc68f7aba1055c [2023-11-19 07:54:19,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:54:19,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:54:19,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:19,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:54:19,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:54:19,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:19" (1/1) ... [2023-11-19 07:54:19,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7daae64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:19, skipping insertion in model container [2023-11-19 07:54:19,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:19" (1/1) ... [2023-11-19 07:54:19,813 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:54:20,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:20,206 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 07:54:20,214 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:54:20,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:20,277 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:54:20,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:20,432 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:54:20,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:20 WrapperNode [2023-11-19 07:54:20,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:20,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:20,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:54:20,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:54:20,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:20" (1/1) ... [2023-11-19 07:54:20,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:20" (1/1) ... [2023-11-19 07:54:20,533 INFO L138 Inliner]: procedures = 129, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2023-11-19 07:54:20,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:20,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:54:20,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:54:20,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:54:20,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:20" (1/1) ... [2023-11-19 07:54:20,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:20" (1/1) ... [2023-11-19 07:54:20,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:20" (1/1) ... [2023-11-19 07:54:20,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:20" (1/1) ... [2023-11-19 07:54:20,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:20" (1/1) ... [2023-11-19 07:54:20,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:20" (1/1) ... [2023-11-19 07:54:20,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:20" (1/1) ... [2023-11-19 07:54:20,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:20" (1/1) ... [2023-11-19 07:54:20,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:54:20,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:54:20,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:54:20,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:54:20,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:20" (1/1) ... [2023-11-19 07:54:20,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:20,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:20,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:54:20,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:54:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:54:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:54:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure create_data [2023-11-19 07:54:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure create_data [2023-11-19 07:54:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:54:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:54:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:54:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:54:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:54:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:54:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:54:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:54:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:54:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:54:20,853 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:54:20,855 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:54:22,016 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:54:22,032 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:54:22,032 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:54:22,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:22 BoogieIcfgContainer [2023-11-19 07:54:22,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:54:22,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:54:22,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:54:22,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:54:22,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:54:19" (1/3) ... [2023-11-19 07:54:22,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2948b11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:22, skipping insertion in model container [2023-11-19 07:54:22,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:20" (2/3) ... [2023-11-19 07:54:22,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2948b11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:22, skipping insertion in model container [2023-11-19 07:54:22,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:22" (3/3) ... [2023-11-19 07:54:22,048 INFO L112 eAbstractionObserver]: Analyzing ICFG complex_data_creation_test01-1.i [2023-11-19 07:54:22,069 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:54:22,070 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 92 error locations. [2023-11-19 07:54:22,135 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:54:22,143 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;@507a57c9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:54:22,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2023-11-19 07:54:22,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 99 states have (on average 2.090909090909091) internal successors, (207), 191 states have internal predecessors, (207), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:54:22,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 07:54:22,156 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:22,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 07:54:22,158 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2023-11-19 07:54:22,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:22,167 INFO L85 PathProgramCache]: Analyzing trace with hash 4960777, now seen corresponding path program 1 times [2023-11-19 07:54:22,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:22,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911336899] [2023-11-19 07:54:22,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:22,183 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 [2023-11-19 07:54:22,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:22,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:54:22,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:22,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:54:22,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:22,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:22,288 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:22,288 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:22,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911336899] [2023-11-19 07:54:22,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1911336899] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:22,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:22,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:22,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626817747] [2023-11-19 07:54:22,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:22,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:54:22,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:22,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:54:22,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:54:22,332 INFO L87 Difference]: Start difference. First operand has 195 states, 99 states have (on average 2.090909090909091) internal successors, (207), 191 states have internal predecessors, (207), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-19 07:54:22,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:22,365 INFO L93 Difference]: Finished difference Result 195 states and 207 transitions. [2023-11-19 07:54:22,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:54:22,368 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2023-11-19 07:54:22,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:22,378 INFO L225 Difference]: With dead ends: 195 [2023-11-19 07:54:22,378 INFO L226 Difference]: Without dead ends: 193 [2023-11-19 07:54:22,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:54:22,384 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:22,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:22,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-11-19 07:54:22,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2023-11-19 07:54:22,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 98 states have (on average 2.0510204081632653) internal successors, (201), 189 states have internal predecessors, (201), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:54:22,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 205 transitions. [2023-11-19 07:54:22,438 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 205 transitions. Word has length 4 [2023-11-19 07:54:22,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:22,438 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 205 transitions. [2023-11-19 07:54:22,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-19 07:54:22,439 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 205 transitions. [2023-11-19 07:54:22,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 07:54:22,439 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:22,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 07:54:22,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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)] Ended with exit code 0 [2023-11-19 07:54:22,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:22,642 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2023-11-19 07:54:22,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:22,643 INFO L85 PathProgramCache]: Analyzing trace with hash 4958341, now seen corresponding path program 1 times [2023-11-19 07:54:22,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:22,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381691219] [2023-11-19 07:54:22,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:22,643 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 [2023-11-19 07:54:22,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:22,645 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:54:22,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:22,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:54:22,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:22,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-19 07:54:22,895 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-19 07:54:22,896 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 [2023-11-19 07:54:22,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:22,936 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:22,936 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:22,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381691219] [2023-11-19 07:54:22,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381691219] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:22,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:22,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:54:22,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706239577] [2023-11-19 07:54:22,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:22,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:54:22,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:22,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:54:22,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:54:22,945 INFO L87 Difference]: Start difference. First operand 193 states and 205 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2023-11-19 07:54:23,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:23,732 INFO L93 Difference]: Finished difference Result 187 states and 199 transitions. [2023-11-19 07:54:23,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:54:23,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) Word has length 4 [2023-11-19 07:54:23,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:23,735 INFO L225 Difference]: With dead ends: 187 [2023-11-19 07:54:23,735 INFO L226 Difference]: Without dead ends: 187 [2023-11-19 07:54:23,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:23,737 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 83 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:23,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 317 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 07:54:23,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-19 07:54:23,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2023-11-19 07:54:23,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 98 states have (on average 1.989795918367347) internal successors, (195), 183 states have internal predecessors, (195), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:54:23,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 199 transitions. [2023-11-19 07:54:23,755 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 199 transitions. Word has length 4 [2023-11-19 07:54:23,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:23,755 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 199 transitions. [2023-11-19 07:54:23,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2023-11-19 07:54:23,756 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 199 transitions. [2023-11-19 07:54:23,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 07:54:23,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:23,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 07:54:23,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:23,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:23,969 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2023-11-19 07:54:23,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:23,970 INFO L85 PathProgramCache]: Analyzing trace with hash 4958342, now seen corresponding path program 1 times [2023-11-19 07:54:23,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:23,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [972855289] [2023-11-19 07:54:23,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:23,971 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 [2023-11-19 07:54:23,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:23,981 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:54:24,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:24,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 07:54:24,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:24,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 07:54:24,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-19 07:54:24,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:54:24,178 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 [2023-11-19 07:54:24,200 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-19 07:54:24,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-19 07:54:24,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:24,222 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:24,223 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:24,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [972855289] [2023-11-19 07:54:24,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [972855289] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:24,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:24,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:54:24,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421705935] [2023-11-19 07:54:24,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:24,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:54:24,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:24,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:54:24,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:54:24,230 INFO L87 Difference]: Start difference. First operand 187 states and 199 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2023-11-19 07:54:25,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:25,189 INFO L93 Difference]: Finished difference Result 203 states and 218 transitions. [2023-11-19 07:54:25,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:54:25,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) Word has length 4 [2023-11-19 07:54:25,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:25,194 INFO L225 Difference]: With dead ends: 203 [2023-11-19 07:54:25,194 INFO L226 Difference]: Without dead ends: 203 [2023-11-19 07:54:25,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:25,196 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 28 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:25,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 361 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 07:54:25,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-11-19 07:54:25,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 192. [2023-11-19 07:54:25,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 103 states have (on average 1.9611650485436893) internal successors, (202), 188 states have internal predecessors, (202), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:54:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 206 transitions. [2023-11-19 07:54:25,219 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 206 transitions. Word has length 4 [2023-11-19 07:54:25,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:25,219 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 206 transitions. [2023-11-19 07:54:25,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2023-11-19 07:54:25,220 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 206 transitions. [2023-11-19 07:54:25,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 07:54:25,220 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:25,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:54:25,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:25,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:25,426 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2023-11-19 07:54:25,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:25,427 INFO L85 PathProgramCache]: Analyzing trace with hash 153708682, now seen corresponding path program 1 times [2023-11-19 07:54:25,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:25,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498784634] [2023-11-19 07:54:25,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:25,428 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 [2023-11-19 07:54:25,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:25,429 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:54:25,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:25,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:54:25,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:25,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-19 07:54:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:25,524 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:25,525 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:25,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498784634] [2023-11-19 07:54:25,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1498784634] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:25,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:25,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:25,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272097646] [2023-11-19 07:54:25,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:25,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:25,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:25,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:25,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:25,529 INFO L87 Difference]: Start difference. First operand 192 states and 206 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-11-19 07:54:25,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:25,883 INFO L93 Difference]: Finished difference Result 190 states and 203 transitions. [2023-11-19 07:54:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:25,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5 [2023-11-19 07:54:25,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:25,885 INFO L225 Difference]: With dead ends: 190 [2023-11-19 07:54:25,885 INFO L226 Difference]: Without dead ends: 190 [2023-11-19 07:54:25,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:25,886 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 18 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:25,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 279 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:54:25,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-11-19 07:54:25,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2023-11-19 07:54:25,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 103 states have (on average 1.9320388349514563) internal successors, (199), 186 states have internal predecessors, (199), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:54:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 203 transitions. [2023-11-19 07:54:25,900 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 203 transitions. Word has length 5 [2023-11-19 07:54:25,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:25,901 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 203 transitions. [2023-11-19 07:54:25,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-11-19 07:54:25,901 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 203 transitions. [2023-11-19 07:54:25,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 07:54:25,901 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:25,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:54:25,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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)] Ended with exit code 0 [2023-11-19 07:54:26,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:26,104 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2023-11-19 07:54:26,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:26,104 INFO L85 PathProgramCache]: Analyzing trace with hash 153708683, now seen corresponding path program 1 times [2023-11-19 07:54:26,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:26,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160588732] [2023-11-19 07:54:26,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:26,105 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 [2023-11-19 07:54:26,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:26,106 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:54:26,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:26,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:54:26,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:26,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 07:54:26,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:26,213 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:26,213 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:26,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160588732] [2023-11-19 07:54:26,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [160588732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:26,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:26,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:26,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664439874] [2023-11-19 07:54:26,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:26,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:26,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:26,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:26,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:26,220 INFO L87 Difference]: Start difference. First operand 190 states and 203 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-11-19 07:54:26,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:26,681 INFO L93 Difference]: Finished difference Result 188 states and 200 transitions. [2023-11-19 07:54:26,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:26,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5 [2023-11-19 07:54:26,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:26,683 INFO L225 Difference]: With dead ends: 188 [2023-11-19 07:54:26,683 INFO L226 Difference]: Without dead ends: 188 [2023-11-19 07:54:26,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:26,684 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 11 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:26,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 286 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:54:26,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-19 07:54:26,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2023-11-19 07:54:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 103 states have (on average 1.9029126213592233) internal successors, (196), 184 states have internal predecessors, (196), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:54:26,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 200 transitions. [2023-11-19 07:54:26,696 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 200 transitions. Word has length 5 [2023-11-19 07:54:26,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:26,696 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 200 transitions. [2023-11-19 07:54:26,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-11-19 07:54:26,697 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 200 transitions. [2023-11-19 07:54:26,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 07:54:26,698 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:26,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:26,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:26,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:26,901 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2023-11-19 07:54:26,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:26,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1301215081, now seen corresponding path program 1 times [2023-11-19 07:54:26,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:26,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490219031] [2023-11-19 07:54:26,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:26,902 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 [2023-11-19 07:54:26,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:26,903 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:54:26,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:26,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 07:54:26,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:27,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-19 07:54:27,059 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-19 07:54:27,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-19 07:54:27,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 [2023-11-19 07:54:27,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 [2023-11-19 07:54:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:27,197 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:27,197 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:27,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490219031] [2023-11-19 07:54:27,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1490219031] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:27,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:27,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:54:27,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418965042] [2023-11-19 07:54:27,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:27,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:54:27,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:27,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:54:27,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:54:27,200 INFO L87 Difference]: Start difference. First operand 188 states and 200 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2023-11-19 07:54:27,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:27,886 INFO L93 Difference]: Finished difference Result 190 states and 203 transitions. [2023-11-19 07:54:27,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:54:27,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) Word has length 10 [2023-11-19 07:54:27,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:27,890 INFO L225 Difference]: With dead ends: 190 [2023-11-19 07:54:27,890 INFO L226 Difference]: Without dead ends: 190 [2023-11-19 07:54:27,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:54:27,891 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 6 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:27,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 628 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 07:54:27,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-11-19 07:54:27,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 189. [2023-11-19 07:54:27,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 104 states have (on average 1.8942307692307692) internal successors, (197), 185 states have internal predecessors, (197), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:54:27,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 201 transitions. [2023-11-19 07:54:27,902 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 201 transitions. Word has length 10 [2023-11-19 07:54:27,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:27,903 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 201 transitions. [2023-11-19 07:54:27,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2023-11-19 07:54:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 201 transitions. [2023-11-19 07:54:27,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 07:54:27,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:27,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:27,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:28,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:28,114 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2023-11-19 07:54:28,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:28,115 INFO L85 PathProgramCache]: Analyzing trace with hash -635255016, now seen corresponding path program 1 times [2023-11-19 07:54:28,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:28,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [331611685] [2023-11-19 07:54:28,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:28,115 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 [2023-11-19 07:54:28,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:28,116 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:54:28,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:28,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:54:28,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:28,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:28,220 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:28,221 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:28,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [331611685] [2023-11-19 07:54:28,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [331611685] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:28,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:28,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:54:28,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75859151] [2023-11-19 07:54:28,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:28,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:54:28,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:28,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:54:28,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:54:28,223 INFO L87 Difference]: Start difference. First operand 189 states and 201 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:28,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:28,265 INFO L93 Difference]: Finished difference Result 269 states and 285 transitions. [2023-11-19 07:54:28,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:54:28,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-19 07:54:28,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:28,268 INFO L225 Difference]: With dead ends: 269 [2023-11-19 07:54:28,268 INFO L226 Difference]: Without dead ends: 269 [2023-11-19 07:54:28,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:28,269 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 84 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:28,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 569 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:28,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2023-11-19 07:54:28,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 233. [2023-11-19 07:54:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 147 states have (on average 1.91156462585034) internal successors, (281), 228 states have internal predecessors, (281), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:54:28,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 285 transitions. [2023-11-19 07:54:28,280 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 285 transitions. Word has length 12 [2023-11-19 07:54:28,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:28,280 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 285 transitions. [2023-11-19 07:54:28,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 285 transitions. [2023-11-19 07:54:28,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 07:54:28,281 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:28,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:28,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:28,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:28,484 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting create_dataErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2023-11-19 07:54:28,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:28,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1781937173, now seen corresponding path program 1 times [2023-11-19 07:54:28,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:28,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685402545] [2023-11-19 07:54:28,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:28,485 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 [2023-11-19 07:54:28,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:28,486 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:54:28,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:28,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:54:28,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:28,621 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-19 07:54:28,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2023-11-19 07:54:28,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:28,639 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:28,639 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:28,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1685402545] [2023-11-19 07:54:28,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1685402545] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:28,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:28,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:28,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416941207] [2023-11-19 07:54:28,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:28,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:28,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:28,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:28,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:28,641 INFO L87 Difference]: Start difference. First operand 233 states and 285 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:29,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:29,052 INFO L93 Difference]: Finished difference Result 220 states and 257 transitions. [2023-11-19 07:54:29,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:29,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-19 07:54:29,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:29,054 INFO L225 Difference]: With dead ends: 220 [2023-11-19 07:54:29,054 INFO L226 Difference]: Without dead ends: 220 [2023-11-19 07:54:29,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:29,055 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 64 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:29,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 208 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:54:29,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2023-11-19 07:54:29,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 218. [2023-11-19 07:54:29,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 147 states have (on average 1.7074829931972788) internal successors, (251), 213 states have internal predecessors, (251), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:54:29,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 255 transitions. [2023-11-19 07:54:29,063 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 255 transitions. Word has length 13 [2023-11-19 07:54:29,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:29,063 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 255 transitions. [2023-11-19 07:54:29,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:29,063 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 255 transitions. [2023-11-19 07:54:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 07:54:29,064 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:29,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:29,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:29,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:29,267 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting create_dataErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2023-11-19 07:54:29,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:29,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1781937174, now seen corresponding path program 1 times [2023-11-19 07:54:29,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:29,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715029089] [2023-11-19 07:54:29,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:29,268 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 [2023-11-19 07:54:29,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:29,269 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:54:29,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:29,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:54:29,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:29,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:54:29,386 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 [2023-11-19 07:54:29,394 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 10 treesize of output 8 [2023-11-19 07:54:29,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:29,405 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:29,406 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:29,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715029089] [2023-11-19 07:54:29,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715029089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:29,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:29,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:29,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620445727] [2023-11-19 07:54:29,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:29,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:29,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:29,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:29,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:29,408 INFO L87 Difference]: Start difference. First operand 218 states and 255 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:29,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:29,805 INFO L93 Difference]: Finished difference Result 205 states and 227 transitions. [2023-11-19 07:54:29,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:29,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-19 07:54:29,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:29,807 INFO L225 Difference]: With dead ends: 205 [2023-11-19 07:54:29,808 INFO L226 Difference]: Without dead ends: 205 [2023-11-19 07:54:29,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:29,808 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 49 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:29,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 210 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:54:29,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2023-11-19 07:54:29,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 203. [2023-11-19 07:54:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 147 states have (on average 1.5034013605442176) internal successors, (221), 198 states have internal predecessors, (221), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:54:29,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 225 transitions. [2023-11-19 07:54:29,816 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 225 transitions. Word has length 13 [2023-11-19 07:54:29,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:29,817 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 225 transitions. [2023-11-19 07:54:29,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:29,817 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 225 transitions. [2023-11-19 07:54:29,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 07:54:29,818 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:29,818 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:29,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:30,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:30,021 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting create_dataErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2023-11-19 07:54:30,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:30,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1726961989, now seen corresponding path program 1 times [2023-11-19 07:54:30,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:30,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660344775] [2023-11-19 07:54:30,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:30,022 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 [2023-11-19 07:54:30,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:30,023 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:54:30,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:30,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:54:30,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:30,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-19 07:54:30,148 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 [2023-11-19 07:54:30,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-19 07:54:30,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 11 [2023-11-19 07:54:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:30,225 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:30,225 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:30,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1660344775] [2023-11-19 07:54:30,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1660344775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:30,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:30,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:54:30,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93819937] [2023-11-19 07:54:30,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:30,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:54:30,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:30,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:54:30,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:30,229 INFO L87 Difference]: Start difference. First operand 203 states and 225 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:31,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:31,042 INFO L93 Difference]: Finished difference Result 260 states and 295 transitions. [2023-11-19 07:54:31,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:54:31,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-11-19 07:54:31,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:31,045 INFO L225 Difference]: With dead ends: 260 [2023-11-19 07:54:31,045 INFO L226 Difference]: Without dead ends: 260 [2023-11-19 07:54:31,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:54:31,046 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 29 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:31,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 419 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 07:54:31,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2023-11-19 07:54:31,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 211. [2023-11-19 07:54:31,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 155 states have (on average 1.5032258064516129) internal successors, (233), 206 states have internal predecessors, (233), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:54:31,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 237 transitions. [2023-11-19 07:54:31,055 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 237 transitions. Word has length 18 [2023-11-19 07:54:31,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:31,055 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 237 transitions. [2023-11-19 07:54:31,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:31,055 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 237 transitions. [2023-11-19 07:54:31,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 07:54:31,056 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:31,056 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:31,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:31,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:31,259 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting create_dataErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2023-11-19 07:54:31,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:31,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1726961990, now seen corresponding path program 1 times [2023-11-19 07:54:31,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:31,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309878876] [2023-11-19 07:54:31,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:31,260 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 [2023-11-19 07:54:31,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:31,261 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:54:31,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:31,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:54:31,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:31,371 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 [2023-11-19 07:54:31,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 07:54:31,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-19 07:54:31,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-19 07:54:31,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 21 treesize of output 9 [2023-11-19 07:54:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:31,561 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:31,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:31,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309878876] [2023-11-19 07:54:31,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [309878876] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:31,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:31,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:54:31,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643867292] [2023-11-19 07:54:31,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:31,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:54:31,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:31,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:54:31,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:54:31,564 INFO L87 Difference]: Start difference. First operand 211 states and 237 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:32,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:32,553 INFO L93 Difference]: Finished difference Result 213 states and 235 transitions. [2023-11-19 07:54:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:54:32,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-11-19 07:54:32,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:32,556 INFO L225 Difference]: With dead ends: 213 [2023-11-19 07:54:32,556 INFO L226 Difference]: Without dead ends: 213 [2023-11-19 07:54:32,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:54:32,557 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 4 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:32,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 526 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 07:54:32,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-11-19 07:54:32,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 211. [2023-11-19 07:54:32,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 155 states have (on average 1.4774193548387098) internal successors, (229), 206 states have internal predecessors, (229), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:54:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 233 transitions. [2023-11-19 07:54:32,563 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 233 transitions. Word has length 18 [2023-11-19 07:54:32,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:32,564 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 233 transitions. [2023-11-19 07:54:32,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 233 transitions. [2023-11-19 07:54:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 07:54:32,564 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:32,565 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:32,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:32,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:32,765 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting create_dataErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2023-11-19 07:54:32,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:32,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1836431927, now seen corresponding path program 1 times [2023-11-19 07:54:32,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:32,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933839793] [2023-11-19 07:54:32,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:32,766 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 [2023-11-19 07:54:32,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:32,769 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:54:32,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:32,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 07:54:32,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:32,975 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-19 07:54:32,976 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 19 treesize of output 22 [2023-11-19 07:54:33,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 1 [2023-11-19 07:54:33,155 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2023-11-19 07:54:33,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2023-11-19 07:54:33,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 33 treesize of output 15 [2023-11-19 07:54:33,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 07:54:33,261 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:54:33,366 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_171 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (let ((.cse0 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse0) v_ArrVal_171) c_create_data_~data~0.base) .cse0))) (_ bv1 1)))) is different from false [2023-11-19 07:54:33,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:54:33,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 26 treesize of output 27 [2023-11-19 07:54:33,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 44 treesize of output 32 [2023-11-19 07:54:33,398 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 11 treesize of output 7 [2023-11-19 07:54:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-11-19 07:54:33,454 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:33,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933839793] [2023-11-19 07:54:33,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [933839793] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:54:33,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:54:33,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2023-11-19 07:54:33,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084150740] [2023-11-19 07:54:33,455 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:54:33,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 07:54:33,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:33,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 07:54:33,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=4, NotChecked=16, Total=110 [2023-11-19 07:54:33,457 INFO L87 Difference]: Start difference. First operand 211 states and 233 transitions. Second operand has 11 states, 10 states have (on average 3.5) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:34,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:34,712 INFO L93 Difference]: Finished difference Result 216 states and 237 transitions. [2023-11-19 07:54:34,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:54:34,713 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.5) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-11-19 07:54:34,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:34,714 INFO L225 Difference]: With dead ends: 216 [2023-11-19 07:54:34,714 INFO L226 Difference]: Without dead ends: 216 [2023-11-19 07:54:34,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=76, Unknown=5, NotChecked=18, Total=132 [2023-11-19 07:54:34,715 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 52 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 96 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:34,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 640 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 370 Invalid, 0 Unknown, 96 Unchecked, 1.2s Time] [2023-11-19 07:54:34,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2023-11-19 07:54:34,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 210. [2023-11-19 07:54:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 155 states have (on average 1.4645161290322581) internal successors, (227), 205 states have internal predecessors, (227), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:54:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 231 transitions. [2023-11-19 07:54:34,725 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 231 transitions. Word has length 24 [2023-11-19 07:54:34,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:34,727 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 231 transitions. [2023-11-19 07:54:34,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.5) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 231 transitions. [2023-11-19 07:54:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 07:54:34,728 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:34,728 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:34,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:34,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:34,933 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting create_dataErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2023-11-19 07:54:34,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:34,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1836431926, now seen corresponding path program 1 times [2023-11-19 07:54:34,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:34,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [335683401] [2023-11-19 07:54:34,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:34,934 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 [2023-11-19 07:54:34,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:34,935 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:54:34,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:35,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 07:54:35,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:35,130 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 10 treesize of output 8 [2023-11-19 07:54:35,138 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 [2023-11-19 07:54:35,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 1 [2023-11-19 07:54:35,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-19 07:54:35,414 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2023-11-19 07:54:35,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2023-11-19 07:54:35,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 13 [2023-11-19 07:54:35,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 31 treesize of output 13 [2023-11-19 07:54:35,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 9 treesize of output 3 [2023-11-19 07:54:35,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:35,602 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:54:36,017 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32))) (.cse0 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (and (forall ((v_ArrVal_214 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_215 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_215) c_create_data_~data~0.base) .cse0) .cse1) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_214) c_create_data_~data~0.base) .cse0)))) (forall ((v_ArrVal_215 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_215) c_create_data_~data~0.base) .cse0))) (bvule (bvadd (_ bv4 32) .cse2 .cse1) (bvadd (_ bv8 32) .cse2 .cse1)))))) is different from false [2023-11-19 07:54:36,099 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32))) (.cse2 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse3))) (and (forall ((v_ArrVal_215 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_215) c_create_data_~data~0.base) .cse3))) (bvule (bvadd (_ bv4 32) .cse0 .cse1) (bvadd .cse0 (_ bv8 32) .cse1)))) (forall ((v_ArrVal_214 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_215 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_215) c_create_data_~data~0.base) .cse3) (_ bv8 32) .cse1) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_214) c_create_data_~data~0.base) .cse3))))))) is different from false [2023-11-19 07:54:36,165 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse2))) (and (forall ((v_ArrVal_215 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_215) c_create_data_~data~0.base) .cse2))) (bvule (bvadd (_ bv4 32) .cse0) (bvadd .cse0 (_ bv8 32))))) (forall ((v_ArrVal_214 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_215 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_215) c_create_data_~data~0.base) .cse2) (_ bv8 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_214) c_create_data_~data~0.base) .cse2))))))) is different from false [2023-11-19 07:54:36,188 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:54:36,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 45 treesize of output 36 [2023-11-19 07:54:36,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 54 treesize of output 36 [2023-11-19 07:54:36,239 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:54:36,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 46 [2023-11-19 07:54:36,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:54:36,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 36 [2023-11-19 07:54:36,270 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:54:36,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 33 treesize of output 21 [2023-11-19 07:54:36,282 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:54:36,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 12 [2023-11-19 07:54:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2023-11-19 07:54:36,386 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:36,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [335683401] [2023-11-19 07:54:36,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [335683401] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:54:36,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:54:36,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2023-11-19 07:54:36,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637430711] [2023-11-19 07:54:36,387 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:54:36,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-19 07:54:36,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:36,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-19 07:54:36,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=102, Unknown=3, NotChecked=66, Total=210 [2023-11-19 07:54:36,390 INFO L87 Difference]: Start difference. First operand 210 states and 231 transitions. Second operand has 15 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 15 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:39,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:39,200 INFO L93 Difference]: Finished difference Result 224 states and 245 transitions. [2023-11-19 07:54:39,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 07:54:39,203 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 15 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-11-19 07:54:39,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:39,205 INFO L225 Difference]: With dead ends: 224 [2023-11-19 07:54:39,205 INFO L226 Difference]: Without dead ends: 224 [2023-11-19 07:54:39,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=60, Invalid=159, Unknown=3, NotChecked=84, Total=306 [2023-11-19 07:54:39,206 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 11 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 253 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:39,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 971 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 465 Invalid, 0 Unknown, 253 Unchecked, 2.5s Time] [2023-11-19 07:54:39,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-11-19 07:54:39,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2023-11-19 07:54:39,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 167 states have (on average 1.4311377245508983) internal successors, (239), 217 states have internal predecessors, (239), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:54:39,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 243 transitions. [2023-11-19 07:54:39,214 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 243 transitions. Word has length 24 [2023-11-19 07:54:39,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:39,215 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 243 transitions. [2023-11-19 07:54:39,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 15 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:39,215 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 243 transitions. [2023-11-19 07:54:39,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 07:54:39,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:39,216 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:39,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:39,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:39,420 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting create_dataErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2023-11-19 07:54:39,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:39,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1476739250, now seen corresponding path program 2 times [2023-11-19 07:54:39,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:39,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255348926] [2023-11-19 07:54:39,421 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:54:39,421 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 [2023-11-19 07:54:39,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:39,422 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:54:39,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:39,697 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 07:54:39,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:54:39,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 07:54:39,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:39,726 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 10 treesize of output 8 [2023-11-19 07:54:39,737 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 [2023-11-19 07:54:39,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 1 [2023-11-19 07:54:39,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-19 07:54:39,990 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2023-11-19 07:54:39,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2023-11-19 07:54:39,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 13 [2023-11-19 07:54:40,216 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2023-11-19 07:54:40,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2023-11-19 07:54:40,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 13 [2023-11-19 07:54:40,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 31 treesize of output 13 [2023-11-19 07:54:40,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 9 treesize of output 3 [2023-11-19 07:54:40,409 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:40,409 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:54:40,756 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (bvmul c_create_data_~counter~0 (_ bv4 32))) (.cse2 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (and (forall ((v_ArrVal_275 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_275) c_create_data_~data~0.base) .cse2))) (bvule (bvadd (_ bv4 32) .cse0 .cse1) (bvadd (_ bv8 32) .cse0 .cse1)))) (forall ((v_ArrVal_275 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_276 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (_ bv8 32) .cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_275) c_create_data_~data~0.base) .cse2)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_276) c_create_data_~data~0.base) .cse2)))))) is different from false [2023-11-19 07:54:40,828 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse2 (bvmul c_create_data_~counter~0 (_ bv4 32))) (.cse0 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse1))) (and (forall ((v_ArrVal_275 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_276 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_275) c_create_data_~data~0.base) .cse1) .cse2) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_276) c_create_data_~data~0.base) .cse1)))) (forall ((v_ArrVal_275 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_275) c_create_data_~data~0.base) .cse1))) (bvule (bvadd (_ bv4 32) .cse3 .cse2) (bvadd (_ bv8 32) .cse3 .cse2))))))) is different from false [2023-11-19 07:54:40,893 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32))) (.cse2 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse3))) (and (forall ((v_ArrVal_275 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_275) c_create_data_~data~0.base) .cse3))) (bvule (bvadd (_ bv8 32) .cse0 .cse1) (bvadd .cse0 .cse1 (_ bv12 32))))) (forall ((v_ArrVal_275 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_276 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_275) c_create_data_~data~0.base) .cse3) .cse1 (_ bv12 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_276) c_create_data_~data~0.base) .cse3))))))) is different from false [2023-11-19 07:54:41,054 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (bvmul c_create_data_~counter~0 (_ bv4 32))) (.cse2 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (and (forall ((v_ArrVal_273 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_274 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_275 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (select (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_274) (select (select (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_273) c_create_data_~data~0.base) .cse2) v_ArrVal_275) c_create_data_~data~0.base) .cse2))) (bvule (bvadd (_ bv8 32) .cse0 .cse1) (bvadd .cse0 (_ bv12 32) .cse1)))) (forall ((v_ArrVal_273 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_274 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_275 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_276 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_273))) (let ((.cse3 (select (select .cse4 c_create_data_~data~0.base) .cse2))) (bvule (bvadd .cse0 (_ bv12 32) (select (select (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_274) .cse3 v_ArrVal_275) c_create_data_~data~0.base) .cse2)) (select |c_#length| (select (select (store .cse4 .cse3 v_ArrVal_276) c_create_data_~data~0.base) .cse2)))))))) is different from false [2023-11-19 07:54:41,189 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32))) (.cse2 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse3))) (and (forall ((v_ArrVal_273 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_274 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_275 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_274) (select (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_273) c_create_data_~data~0.base) .cse3) v_ArrVal_275) c_create_data_~data~0.base) .cse3))) (bvule (bvadd .cse0 (_ bv8 32) .cse1) (bvadd .cse0 .cse1 (_ bv12 32))))) (forall ((v_ArrVal_273 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_274 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_275 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_276 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_273))) (let ((.cse4 (select (select .cse5 c_create_data_~data~0.base) .cse3))) (bvule (bvadd (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_274) .cse4 v_ArrVal_275) c_create_data_~data~0.base) .cse3) .cse1 (_ bv12 32)) (select |c_#length| (select (select (store .cse5 .cse4 v_ArrVal_276) c_create_data_~data~0.base) .cse3))))))))) is different from false [2023-11-19 07:54:41,640 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:54:41,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 89 treesize of output 80 [2023-11-19 07:54:41,655 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:54:41,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 69 treesize of output 60 [2023-11-19 07:54:41,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 102 treesize of output 84 [2023-11-19 07:54:41,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 286 treesize of output 244 [2023-11-19 07:54:41,687 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 48 treesize of output 40 [2023-11-19 07:54:41,697 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 19 treesize of output 11 [2023-11-19 07:54:41,707 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 20 treesize of output 12 [2023-11-19 07:54:41,740 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:54:41,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 90 [2023-11-19 07:54:41,759 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:54:41,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 60 [2023-11-19 07:54:41,765 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:54:41,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 92 treesize of output 56 [2023-11-19 07:54:41,775 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:54:41,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 12 [2023-11-19 07:54:41,905 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 14 not checked. [2023-11-19 07:54:41,906 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:41,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255348926] [2023-11-19 07:54:41,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [255348926] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:54:41,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:54:41,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 19 [2023-11-19 07:54:41,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421782671] [2023-11-19 07:54:41,907 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:54:41,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-19 07:54:41,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:41,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-19 07:54:41,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=160, Unknown=8, NotChecked=150, Total=380 [2023-11-19 07:54:41,909 INFO L87 Difference]: Start difference. First operand 222 states and 243 transitions. Second operand has 20 states, 19 states have (on average 2.526315789473684) internal successors, (48), 20 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:46,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:46,657 INFO L93 Difference]: Finished difference Result 236 states and 257 transitions. [2023-11-19 07:54:46,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:54:46,659 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 2.526315789473684) internal successors, (48), 20 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2023-11-19 07:54:46,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:46,661 INFO L225 Difference]: With dead ends: 236 [2023-11-19 07:54:46,661 INFO L226 Difference]: Without dead ends: 236 [2023-11-19 07:54:46,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=95, Invalid=259, Unknown=8, NotChecked=190, Total=552 [2023-11-19 07:54:46,662 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 9 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 455 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:46,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1338 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 649 Invalid, 0 Unknown, 455 Unchecked, 4.2s Time] [2023-11-19 07:54:46,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2023-11-19 07:54:46,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 234. [2023-11-19 07:54:46,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 179 states have (on average 1.4022346368715084) internal successors, (251), 229 states have internal predecessors, (251), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:54:46,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 255 transitions. [2023-11-19 07:54:46,671 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 255 transitions. Word has length 30 [2023-11-19 07:54:46,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:46,671 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 255 transitions. [2023-11-19 07:54:46,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 2.526315789473684) internal successors, (48), 20 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:46,672 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 255 transitions. [2023-11-19 07:54:46,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 07:54:46,673 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:46,673 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:46,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:46,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:54:46,878 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting create_dataErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2023-11-19 07:54:46,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:46,879 INFO L85 PathProgramCache]: Analyzing trace with hash 35849682, now seen corresponding path program 3 times [2023-11-19 07:54:46,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:46,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610198953] [2023-11-19 07:54:46,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-19 07:54:46,880 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 [2023-11-19 07:54:46,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:46,882 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:54:46,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3848b6d-12d9-4b2e-8930-f4e685fd523a/bin/uautomizer-verify-uCwYo4JHxu/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 (16)] Waiting until timeout for monitored process [2023-11-19 07:54:47,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-19 07:54:47,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:54:47,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 07:54:47,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:47,393 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 [2023-11-19 07:54:47,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 07:54:47,423 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 10 treesize of output 8 [2023-11-19 07:54:47,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-19 07:54:47,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 1 [2023-11-19 07:54:47,729 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2023-11-19 07:54:47,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2023-11-19 07:54:47,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 13 [2023-11-19 07:54:48,008 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2023-11-19 07:54:48,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2023-11-19 07:54:48,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 13 [2023-11-19 07:54:48,304 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2023-11-19 07:54:48,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2023-11-19 07:54:48,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 13 [2023-11-19 07:54:48,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 31 treesize of output 13 [2023-11-19 07:54:48,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 9 treesize of output 3 [2023-11-19 07:54:48,570 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:48,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:54:49,065 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32))) (.cse0 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (and (forall ((v_ArrVal_354 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_353 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_354) c_create_data_~data~0.base) .cse0) .cse1) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_353) c_create_data_~data~0.base) .cse0)))) (forall ((v_ArrVal_354 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_354) c_create_data_~data~0.base) .cse0))) (bvule (bvadd (_ bv4 32) .cse2 .cse1) (bvadd (_ bv8 32) .cse2 .cse1)))))) is different from false [2023-11-19 07:54:49,147 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse1 (bvmul c_create_data_~counter~0 (_ bv4 32))) (.cse2 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse3))) (and (forall ((v_ArrVal_354 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_354) c_create_data_~data~0.base) .cse3))) (bvule (bvadd (_ bv4 32) .cse0 .cse1) (bvadd (_ bv8 32) .cse0 .cse1)))) (forall ((v_ArrVal_354 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_353 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_354) c_create_data_~data~0.base) .cse3) .cse1) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_353) c_create_data_~data~0.base) .cse3))))))) is different from false [2023-11-19 07:54:49,255 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse2 (bvmul c_create_data_~counter~0 (_ bv4 32))) (.cse0 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse1))) (and (forall ((v_ArrVal_354 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_353 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_354) c_create_data_~data~0.base) .cse1) .cse2 (_ bv12 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_353) c_create_data_~data~0.base) .cse1)))) (forall ((v_ArrVal_354 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_354) c_create_data_~data~0.base) .cse1))) (bvule (bvadd (_ bv8 32) .cse3 .cse2) (bvadd .cse3 .cse2 (_ bv12 32)))))))) is different from false [2023-11-19 07:54:49,628 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (bvmul c_create_data_~counter~0 (_ bv4 32))) (.cse1 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (and (forall ((v_ArrVal_354 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_351 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_352 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_353 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_352))) (let ((.cse0 (select (select .cse3 c_create_data_~data~0.base) .cse1))) (bvule (bvadd (select (select (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_351) .cse0 v_ArrVal_354) c_create_data_~data~0.base) .cse1) .cse2 (_ bv12 32)) (select |c_#length| (select (select (store .cse3 .cse0 v_ArrVal_353) c_create_data_~data~0.base) .cse1)))))) (forall ((v_ArrVal_354 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_351 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_352 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (select (select (store (store |c_#memory_$Pointer$.offset| |c_create_data_#t~mem9.base| v_ArrVal_351) (select (select (store |c_#memory_$Pointer$.base| |c_create_data_#t~mem9.base| v_ArrVal_352) c_create_data_~data~0.base) .cse1) v_ArrVal_354) c_create_data_~data~0.base) .cse1))) (bvule (bvadd .cse4 (_ bv8 32) .cse2) (bvadd .cse4 .cse2 (_ bv12 32))))))) is different from false [2023-11-19 07:54:50,605 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse3 (bvmul c_create_data_~counter~0 (_ bv4 32))) (.cse0 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse2))) (and (forall ((v_ArrVal_354 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_351 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_352 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_353 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_352))) (let ((.cse1 (select (select .cse4 c_create_data_~data~0.base) .cse2))) (bvule (bvadd (_ bv16 32) (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_351) .cse1 v_ArrVal_354) c_create_data_~data~0.base) .cse2) .cse3) (select |c_#length| (select (select (store .cse4 .cse1 v_ArrVal_353) c_create_data_~data~0.base) .cse2)))))) (forall ((v_ArrVal_354 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_351 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_352 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_351) (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_352) c_create_data_~data~0.base) .cse2) v_ArrVal_354) c_create_data_~data~0.base) .cse2))) (bvule (bvadd .cse5 .cse3 (_ bv12 32)) (bvadd (_ bv16 32) .cse5 .cse3))))))) is different from false [2023-11-19 07:54:56,879 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 (bvadd (_ bv4 32) c_create_data_~data~0.offset))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| c_create_data_~data~0.base) .cse4))) (and (forall ((v_ArrVal_354 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_350 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_351 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_352 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_349 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (let ((.cse3 (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_350))) (let ((.cse2 (select (select .cse3 c_create_data_~data~0.base) .cse4))) (store (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_349) .cse2 v_ArrVal_351) (select (select (store .cse3 .cse2 v_ArrVal_352) c_create_data_~data~0.base) .cse4) v_ArrVal_354))) c_create_data_~data~0.base) .cse4))) (bvule (bvadd .cse0 (_ bv12 32)) (bvadd (_ bv16 32) .cse0)))) (forall ((v_ArrVal_354 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_350 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_351 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_352 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_353 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_349 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_350))) (let ((.cse5 (select (select .cse8 c_create_data_~data~0.base) .cse4))) (let ((.cse7 (store .cse8 .cse5 v_ArrVal_352))) (let ((.cse6 (select (select .cse7 c_create_data_~data~0.base) .cse4))) (bvule (bvadd (_ bv16 32) (select (select (store (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_349) .cse5 v_ArrVal_351) .cse6 v_ArrVal_354) c_create_data_~data~0.base) .cse4)) (select |c_#length| (select (select (store .cse7 .cse6 v_ArrVal_353) c_create_data_~data~0.base) .cse4))))))))))) is different from false [2023-11-19 07:54:56,937 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:54:56,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 177 treesize of output 168 [2023-11-19 07:54:56,978 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:54:56,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 157 treesize of output 108 [2023-11-19 07:54:56,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1130 treesize of output 968 [2023-11-19 07:54:57,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1231 treesize of output 1153 [2023-11-19 07:54:57,062 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 198 treesize of output 182 [2023-11-19 07:54:57,078 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 182 treesize of output 166 [2023-11-19 07:54:57,095 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 166 treesize of output 142 [2023-11-19 07:54:57,111 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 142 treesize of output 122 [2023-11-19 07:54:57,142 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 90 treesize of output 82 [2023-11-19 07:54:57,327 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:54:57,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 178 [2023-11-19 07:54:57,371 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:54:57,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 167 treesize of output 108 [2023-11-19 07:54:57,382 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:54:57,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 460 treesize of output 310 [2023-11-19 07:54:57,406 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:54:57,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 12 [2023-11-19 07:54:57,751 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 2 times theorem prover too weak. 0 trivial. 22 not checked. [2023-11-19 07:54:57,751 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:57,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1610198953] [2023-11-19 07:54:57,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1610198953] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:54:57,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:54:57,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 24 [2023-11-19 07:54:57,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519457691] [2023-11-19 07:54:57,753 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:54:57,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-19 07:54:57,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:57,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-19 07:54:57,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=237, Unknown=39, NotChecked=234, Total=600 [2023-11-19 07:54:57,755 INFO L87 Difference]: Start difference. First operand 234 states and 255 transitions. Second operand has 25 states, 24 states have (on average 2.5) internal successors, (60), 25 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)