./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:08:36,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:08:37,087 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-08 17:08:37,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:08:37,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:08:37,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:08:37,141 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:08:37,142 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:08:37,143 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:08:37,145 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:08:37,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:08:37,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:08:37,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:08:37,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:08:37,149 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:08:37,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:08:37,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:08:37,154 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:08:37,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:08:37,154 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:08:37,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:08:37,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:08:37,157 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 17:08:37,158 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 17:08:37,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:08:37,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:08:37,159 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:08:37,159 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:08:37,159 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:08:37,160 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:08:37,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:08:37,160 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:08:37,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:08:37,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:08:37,161 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:08:37,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:08:37,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:08:37,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:08:37,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:08:37,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:08:37,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:08:37,165 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:08:37,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:08:37,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:08:37,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:08:37,166 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_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2024-11-08 17:08:37,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:08:37,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:08:37,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:08:37,532 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:08:37,533 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:08:37,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i Unable to find full path for "g++" [2024-11-08 17:08:39,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:08:40,070 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:08:40,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i [2024-11-08 17:08:40,103 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/data/b65879bbf/8aaa41370c4840f0b319f5eaf8f7c64d/FLAGeabbe94a5 [2024-11-08 17:08:40,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/data/b65879bbf/8aaa41370c4840f0b319f5eaf8f7c64d [2024-11-08 17:08:40,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:08:40,132 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:08:40,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:08:40,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:08:40,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:08:40,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:08:40" (1/1) ... [2024-11-08 17:08:40,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54915fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:40, skipping insertion in model container [2024-11-08 17:08:40,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:08:40" (1/1) ... [2024-11-08 17:08:40,226 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:08:40,923 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:40,998 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:41,004 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:41,016 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:41,033 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:41,106 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:41,107 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:41,111 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:41,112 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:41,115 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:41,118 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:41,120 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:41,122 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:41,123 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:41,129 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:41,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:08:41,160 ERROR L321 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) [2024-11-08 17:08:41,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2df6ca4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:41, skipping insertion in model container [2024-11-08 17:08:41,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:08:41,162 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-08 17:08:41,168 INFO L158 Benchmark]: Toolchain (without parser) took 1035.12ms. Allocated memory is still 125.8MB. Free memory was 80.8MB in the beginning and 56.9MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 17:08:41,169 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:08:41,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1027.53ms. Allocated memory is still 125.8MB. Free memory was 80.4MB in the beginning and 56.9MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 17:08:41,175 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1027.53ms. Allocated memory is still 125.8MB. Free memory was 80.4MB in the beginning and 56.9MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 831]: 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:08:43,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:08:44,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-08 17:08:44,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:08:44,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:08:44,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:08:44,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:08:44,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:08:44,202 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:08:44,204 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:08:44,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:08:44,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:08:44,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:08:44,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:08:44,211 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:08:44,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:08:44,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:08:44,214 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:08:44,214 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:08:44,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:08:44,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:08:44,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:08:44,221 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 17:08:44,221 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 17:08:44,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:08:44,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:08:44,222 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:08:44,223 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:08:44,223 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:08:44,224 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:08:44,226 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:08:44,226 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:08:44,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:08:44,227 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:08:44,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:08:44,228 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:08:44,229 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:08:44,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:08:44,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:08:44,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:08:44,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:08:44,231 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:08:44,232 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:08:44,232 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:08:44,232 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:08:44,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:08:44,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:08:44,233 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_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2024-11-08 17:08:44,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:08:44,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:08:44,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:08:44,759 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:08:44,759 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:08:44,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i Unable to find full path for "g++" [2024-11-08 17:08:47,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:08:47,575 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:08:47,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i [2024-11-08 17:08:47,596 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/data/1bd5f399a/60eabdf961154a5b99f3c035c996f7ff/FLAG9273d4c21 [2024-11-08 17:08:47,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/data/1bd5f399a/60eabdf961154a5b99f3c035c996f7ff [2024-11-08 17:08:47,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:08:47,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:08:47,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:08:47,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:08:47,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:08:47,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:08:47" (1/1) ... [2024-11-08 17:08:47,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aead3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:47, skipping insertion in model container [2024-11-08 17:08:47,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:08:47" (1/1) ... [2024-11-08 17:08:47,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:08:48,404 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,468 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,473 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,479 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,495 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,572 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,573 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,577 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,577 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,580 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,584 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,586 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,588 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,589 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,594 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:08:48,615 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-08 17:08:48,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:08:48,656 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,673 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,676 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,679 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,685 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,727 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,732 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,739 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,740 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,742 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,747 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,751 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,755 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,756 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,765 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 17:08:48,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:08:48,782 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:08:48,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:08:49,068 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:08:49,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:49 WrapperNode [2024-11-08 17:08:49,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:08:49,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:08:49,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:08:49,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:08:49,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:49" (1/1) ... [2024-11-08 17:08:49,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:49" (1/1) ... [2024-11-08 17:08:49,225 INFO L138 Inliner]: procedures = 210, calls = 273, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1005 [2024-11-08 17:08:49,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:08:49,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:08:49,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:08:49,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:08:49,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:49" (1/1) ... [2024-11-08 17:08:49,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:49" (1/1) ... [2024-11-08 17:08:49,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:49" (1/1) ... [2024-11-08 17:08:49,366 INFO L175 MemorySlicer]: Split 254 memory accesses to 3 slices as follows [2, 34, 218]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-11-08 17:08:49,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:49" (1/1) ... [2024-11-08 17:08:49,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:49" (1/1) ... [2024-11-08 17:08:49,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:49" (1/1) ... [2024-11-08 17:08:49,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:49" (1/1) ... [2024-11-08 17:08:49,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:49" (1/1) ... [2024-11-08 17:08:49,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:49" (1/1) ... [2024-11-08 17:08:49,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:08:49,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:08:49,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:08:49,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:08:49,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:49" (1/1) ... [2024-11-08 17:08:49,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:08:49,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:08:49,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:08:49,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:08:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 17:08:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 17:08:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-08 17:08:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 17:08:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 17:08:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-08 17:08:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-08 17:08:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-08 17:08:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-08 17:08:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-08 17:08:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-08 17:08:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-08 17:08:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 17:08:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 17:08:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 17:08:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 17:08:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 17:08:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 17:08:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-08 17:08:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 17:08:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:08:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 17:08:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 17:08:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 17:08:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:08:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 17:08:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 17:08:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 17:08:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:08:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:08:49,846 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:08:49,848 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:09:01,341 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-11-08 17:09:01,341 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:09:01,379 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:09:01,380 INFO L316 CfgBuilder]: Removed 58 assume(true) statements. [2024-11-08 17:09:01,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:09:01 BoogieIcfgContainer [2024-11-08 17:09:01,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:09:01,384 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:09:01,385 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:09:01,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:09:01,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:08:47" (1/3) ... [2024-11-08 17:09:01,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f02d1f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:09:01, skipping insertion in model container [2024-11-08 17:09:01,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:49" (2/3) ... [2024-11-08 17:09:01,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f02d1f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:09:01, skipping insertion in model container [2024-11-08 17:09:01,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:09:01" (3/3) ... [2024-11-08 17:09:01,394 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test2-2.i [2024-11-08 17:09:01,421 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:09:01,421 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:09:01,505 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:09:01,515 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@5d13ccd6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:09:01,515 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:09:01,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 204 states, 197 states have (on average 1.649746192893401) internal successors, (325), 199 states have internal predecessors, (325), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 17:09:01,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 17:09:01,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:09:01,533 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-08 17:09:01,533 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:09:01,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:09:01,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1665194, now seen corresponding path program 1 times [2024-11-08 17:09:01,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:09:01,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1644047097] [2024-11-08 17:09:01,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:09:01,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:01,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:09:01,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:09:01,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:09:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:09:01,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:09:01,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:09:02,038 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_16| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_16| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_16|)))) is different from true [2024-11-08 17:09:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:09:02,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:09:02,043 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:09:02,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644047097] [2024-11-08 17:09:02,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644047097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:09:02,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:09:02,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:09:02,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454161899] [2024-11-08 17:09:02,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:09:02,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:09:02,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:09:02,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:09:02,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-08 17:09:02,158 INFO L87 Difference]: Start difference. First operand has 204 states, 197 states have (on average 1.649746192893401) internal successors, (325), 199 states have internal predecessors, (325), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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) [2024-11-08 17:09:06,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:09:07,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:09:07,599 INFO L93 Difference]: Finished difference Result 304 states and 401 transitions. [2024-11-08 17:09:07,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:09:07,609 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 [2024-11-08 17:09:07,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:09:07,624 INFO L225 Difference]: With dead ends: 304 [2024-11-08 17:09:07,624 INFO L226 Difference]: Without dead ends: 301 [2024-11-08 17:09:07,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-08 17:09:07,632 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 131 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 402 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:09:07,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 503 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 1 Unknown, 402 Unchecked, 5.3s Time] [2024-11-08 17:09:07,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-08 17:09:07,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 201. [2024-11-08 17:09:07,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 195 states have (on average 1.317948717948718) internal successors, (257), 196 states have internal predecessors, (257), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 17:09:07,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 263 transitions. [2024-11-08 17:09:07,707 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 263 transitions. Word has length 4 [2024-11-08 17:09:07,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:09:07,707 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 263 transitions. [2024-11-08 17:09:07,708 INFO L472 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) [2024-11-08 17:09:07,708 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 263 transitions. [2024-11-08 17:09:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 17:09:07,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:09:07,709 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:09:07,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:09:07,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:07,915 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:09:07,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:09:07,915 INFO L85 PathProgramCache]: Analyzing trace with hash -2040372314, now seen corresponding path program 1 times [2024-11-08 17:09:07,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:09:07,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1671794714] [2024-11-08 17:09:07,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:09:07,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:07,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:09:07,919 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:09:07,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:09:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:09:08,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:09:08,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:09:08,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:09:08,357 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:09:08,357 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:09:08,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671794714] [2024-11-08 17:09:08,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671794714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:09:08,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:09:08,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:09:08,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000629682] [2024-11-08 17:09:08,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:09:08,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:09:08,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:09:08,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:09:08,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:09:08,364 INFO L87 Difference]: Start difference. First operand 201 states and 263 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-08 17:09:09,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:09:09,786 INFO L93 Difference]: Finished difference Result 326 states and 426 transitions. [2024-11-08 17:09:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:09:09,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2024-11-08 17:09:09,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:09:09,791 INFO L225 Difference]: With dead ends: 326 [2024-11-08 17:09:09,791 INFO L226 Difference]: Without dead ends: 326 [2024-11-08 17:09:09,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:09:09,795 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 154 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:09:09,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 487 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 17:09:09,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-08 17:09:09,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 292. [2024-11-08 17:09:09,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 286 states have (on average 1.3181818181818181) internal successors, (377), 287 states have internal predecessors, (377), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 17:09:09,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 383 transitions. [2024-11-08 17:09:09,824 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 383 transitions. Word has length 14 [2024-11-08 17:09:09,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:09:09,825 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 383 transitions. [2024-11-08 17:09:09,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-08 17:09:09,825 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 383 transitions. [2024-11-08 17:09:09,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 17:09:09,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:09:09,826 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:09:09,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:09:10,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:10,028 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:09:10,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:09:10,029 INFO L85 PathProgramCache]: Analyzing trace with hash -2038525272, now seen corresponding path program 1 times [2024-11-08 17:09:10,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:09:10,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1410970047] [2024-11-08 17:09:10,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:09:10,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:10,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:09:10,031 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:09:10,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:09:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:09:10,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:09:10,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:09:10,626 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#i~0#1.base_17| (_ BitVec 32))) (and (= |c_#valid| (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_17| (_ bv0 1))) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#i~0#1.base_17|)))) is different from true [2024-11-08 17:09:10,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:09:10,627 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:09:10,628 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:09:10,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410970047] [2024-11-08 17:09:10,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410970047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:09:10,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:09:10,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:09:10,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703532486] [2024-11-08 17:09:10,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:09:10,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:09:10,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:09:10,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:09:10,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-08 17:09:10,638 INFO L87 Difference]: Start difference. First operand 292 states and 383 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-08 17:09:14,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:09:15,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:09:15,833 INFO L93 Difference]: Finished difference Result 372 states and 486 transitions. [2024-11-08 17:09:15,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:09:15,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2024-11-08 17:09:15,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:09:15,843 INFO L225 Difference]: With dead ends: 372 [2024-11-08 17:09:15,844 INFO L226 Difference]: Without dead ends: 370 [2024-11-08 17:09:15,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12 [2024-11-08 17:09:15,846 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 94 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 369 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:09:15,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 500 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 1 Unknown, 369 Unchecked, 5.2s Time] [2024-11-08 17:09:15,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-08 17:09:15,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 343. [2024-11-08 17:09:15,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 337 states have (on average 1.314540059347181) internal successors, (443), 338 states have internal predecessors, (443), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 17:09:15,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 449 transitions. [2024-11-08 17:09:15,872 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 449 transitions. Word has length 14 [2024-11-08 17:09:15,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:09:15,873 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 449 transitions. [2024-11-08 17:09:15,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-08 17:09:15,873 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 449 transitions. [2024-11-08 17:09:15,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 17:09:15,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:09:15,875 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:09:15,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 17:09:16,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:16,076 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:09:16,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:09:16,077 INFO L85 PathProgramCache]: Analyzing trace with hash -767927061, now seen corresponding path program 1 times [2024-11-08 17:09:16,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:09:16,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1448601184] [2024-11-08 17:09:16,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:09:16,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:16,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:09:16,081 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:09:16,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 17:09:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:09:16,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:09:16,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:09:16,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:09:16,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:09:16,565 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:09:16,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448601184] [2024-11-08 17:09:16,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448601184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:09:16,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:09:16,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:09:16,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771513092] [2024-11-08 17:09:16,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:09:16,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:09:16,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:09:16,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:09:16,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:09:16,571 INFO L87 Difference]: Start difference. First operand 343 states and 449 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-08 17:09:21,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:09:23,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:09:23,987 INFO L93 Difference]: Finished difference Result 378 states and 492 transitions. [2024-11-08 17:09:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:09:23,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 24 [2024-11-08 17:09:23,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:09:23,992 INFO L225 Difference]: With dead ends: 378 [2024-11-08 17:09:23,992 INFO L226 Difference]: Without dead ends: 374 [2024-11-08 17:09:23,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:09:23,994 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 156 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:09:23,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 768 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 87 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2024-11-08 17:09:23,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-08 17:09:24,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 340. [2024-11-08 17:09:24,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 334 states have (on average 1.31437125748503) internal successors, (439), 335 states have internal predecessors, (439), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 17:09:24,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 445 transitions. [2024-11-08 17:09:24,022 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 445 transitions. Word has length 24 [2024-11-08 17:09:24,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:09:24,022 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 445 transitions. [2024-11-08 17:09:24,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-08 17:09:24,022 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 445 transitions. [2024-11-08 17:09:24,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 17:09:24,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:09:24,028 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:09:24,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 17:09:24,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:24,229 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:09:24,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:09:24,230 INFO L85 PathProgramCache]: Analyzing trace with hash 2146183694, now seen corresponding path program 1 times [2024-11-08 17:09:24,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:09:24,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [664787469] [2024-11-08 17:09:24,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:09:24,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:24,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:09:24,232 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:09:24,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 17:09:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:09:24,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:09:24,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:09:24,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:09:24,507 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:09:24,507 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:09:24,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664787469] [2024-11-08 17:09:24,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664787469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:09:24,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:09:24,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:09:24,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733104867] [2024-11-08 17:09:24,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:09:24,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:09:24,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:09:24,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:09:24,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:09:24,510 INFO L87 Difference]: Start difference. First operand 340 states and 445 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-11-08 17:09:24,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:09:24,692 INFO L93 Difference]: Finished difference Result 400 states and 505 transitions. [2024-11-08 17:09:24,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:09:24,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2024-11-08 17:09:24,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:09:24,695 INFO L225 Difference]: With dead ends: 400 [2024-11-08 17:09:24,695 INFO L226 Difference]: Without dead ends: 400 [2024-11-08 17:09:24,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:09:24,696 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 8 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:09:24,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 471 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:09:24,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-08 17:09:24,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2024-11-08 17:09:24,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 394 states have (on average 1.266497461928934) internal successors, (499), 395 states have internal predecessors, (499), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 17:09:24,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 505 transitions. [2024-11-08 17:09:24,713 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 505 transitions. Word has length 49 [2024-11-08 17:09:24,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:09:24,714 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 505 transitions. [2024-11-08 17:09:24,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-11-08 17:09:24,715 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 505 transitions. [2024-11-08 17:09:24,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 17:09:24,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:09:24,717 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:09:24,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 17:09:24,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:24,921 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:09:24,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:09:24,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2123551440, now seen corresponding path program 1 times [2024-11-08 17:09:24,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:09:24,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [182021692] [2024-11-08 17:09:24,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:09:24,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:24,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:09:24,924 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:09:24,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 17:09:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:09:25,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:09:25,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:09:25,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:09:25,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:09:25,262 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:09:25,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182021692] [2024-11-08 17:09:25,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182021692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:09:25,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:09:25,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:09:25,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547975204] [2024-11-08 17:09:25,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:09:25,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:09:25,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:09:25,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:09:25,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:09:25,264 INFO L87 Difference]: Start difference. First operand 400 states and 505 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-08 17:09:25,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:09:25,468 INFO L93 Difference]: Finished difference Result 346 states and 415 transitions. [2024-11-08 17:09:25,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:09:25,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 49 [2024-11-08 17:09:25,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:09:25,470 INFO L225 Difference]: With dead ends: 346 [2024-11-08 17:09:25,471 INFO L226 Difference]: Without dead ends: 346 [2024-11-08 17:09:25,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:09:25,472 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 32 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:09:25,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 670 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:09:25,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-08 17:09:25,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2024-11-08 17:09:25,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 340 states have (on average 1.2029411764705882) internal successors, (409), 341 states have internal predecessors, (409), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 17:09:25,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 415 transitions. [2024-11-08 17:09:25,485 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 415 transitions. Word has length 49 [2024-11-08 17:09:25,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:09:25,486 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 415 transitions. [2024-11-08 17:09:25,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-08 17:09:25,486 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 415 transitions. [2024-11-08 17:09:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 17:09:25,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:09:25,488 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:09:25,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 17:09:25,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:25,689 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:09:25,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:09:25,690 INFO L85 PathProgramCache]: Analyzing trace with hash -798853758, now seen corresponding path program 1 times [2024-11-08 17:09:25,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:09:25,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [619009197] [2024-11-08 17:09:25,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:09:25,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:25,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:09:25,694 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:09:25,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 17:09:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:09:25,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 17:09:25,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:09:25,961 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 17:09:25,962 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 17:09:25,963 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 17:09:25,974 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 30 treesize of output 39 [2024-11-08 17:09:26,132 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:09:26,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-08 17:09:26,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:09:26,229 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:09:26,229 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:09:26,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619009197] [2024-11-08 17:09:26,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [619009197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:09:26,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:09:26,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:09:26,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545821487] [2024-11-08 17:09:26,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:09:26,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:09:26,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:09:26,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:09:26,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:09:26,236 INFO L87 Difference]: Start difference. First operand 346 states and 415 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2024-11-08 17:09:26,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:09:26,990 INFO L93 Difference]: Finished difference Result 348 states and 428 transitions. [2024-11-08 17:09:26,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:09:26,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 49 [2024-11-08 17:09:26,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:09:26,993 INFO L225 Difference]: With dead ends: 348 [2024-11-08 17:09:26,993 INFO L226 Difference]: Without dead ends: 345 [2024-11-08 17:09:26,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:09:26,995 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 112 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:09:26,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 946 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 17:09:26,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-08 17:09:27,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 297. [2024-11-08 17:09:27,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 291 states have (on average 1.2268041237113403) internal successors, (357), 292 states have internal predecessors, (357), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 17:09:27,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 363 transitions. [2024-11-08 17:09:27,009 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 363 transitions. Word has length 49 [2024-11-08 17:09:27,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:09:27,009 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 363 transitions. [2024-11-08 17:09:27,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2024-11-08 17:09:27,010 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 363 transitions. [2024-11-08 17:09:27,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 17:09:27,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:09:27,019 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:09:27,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 17:09:27,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:27,220 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:09:27,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:09:27,221 INFO L85 PathProgramCache]: Analyzing trace with hash -794583838, now seen corresponding path program 1 times [2024-11-08 17:09:27,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:09:27,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356960547] [2024-11-08 17:09:27,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:09:27,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:27,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:09:27,225 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:09:27,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 17:09:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:09:27,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:09:27,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:09:27,877 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 17:09:27,877 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:09:27,878 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:09:27,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356960547] [2024-11-08 17:09:27,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356960547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:09:27,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:09:27,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:09:27,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528970529] [2024-11-08 17:09:27,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:09:27,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:09:27,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:09:27,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:09:27,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:09:27,883 INFO L87 Difference]: Start difference. First operand 297 states and 363 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:09:28,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:09:28,055 INFO L93 Difference]: Finished difference Result 337 states and 403 transitions. [2024-11-08 17:09:28,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:09:28,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 85 [2024-11-08 17:09:28,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:09:28,058 INFO L225 Difference]: With dead ends: 337 [2024-11-08 17:09:28,059 INFO L226 Difference]: Without dead ends: 337 [2024-11-08 17:09:28,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:09:28,060 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 8 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:09:28,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 445 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:09:28,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-08 17:09:28,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2024-11-08 17:09:28,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 331 states have (on average 1.1993957703927491) internal successors, (397), 332 states have internal predecessors, (397), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 17:09:28,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 403 transitions. [2024-11-08 17:09:28,072 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 403 transitions. Word has length 85 [2024-11-08 17:09:28,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:09:28,072 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 403 transitions. [2024-11-08 17:09:28,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:09:28,073 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 403 transitions. [2024-11-08 17:09:28,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 17:09:28,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:09:28,075 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:09:28,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-08 17:09:28,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:28,276 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:09:28,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:09:28,276 INFO L85 PathProgramCache]: Analyzing trace with hash -2055501088, now seen corresponding path program 1 times [2024-11-08 17:09:28,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:09:28,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [418313393] [2024-11-08 17:09:28,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:09:28,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:28,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:09:28,279 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:09:28,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 17:09:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:09:28,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:09:28,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:09:29,291 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 17:09:29,291 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:09:29,291 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:09:29,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418313393] [2024-11-08 17:09:29,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418313393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:09:29,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:09:29,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:09:29,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463956888] [2024-11-08 17:09:29,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:09:29,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:09:29,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:09:29,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:09:29,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:09:29,294 INFO L87 Difference]: Start difference. First operand 337 states and 403 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:09:33,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:09:37,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:09:40,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:09:40,154 INFO L93 Difference]: Finished difference Result 357 states and 439 transitions. [2024-11-08 17:09:40,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:09:40,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 85 [2024-11-08 17:09:40,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:09:40,160 INFO L225 Difference]: With dead ends: 357 [2024-11-08 17:09:40,160 INFO L226 Difference]: Without dead ends: 357 [2024-11-08 17:09:40,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:09:40,161 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 432 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:09:40,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 423 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 93 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2024-11-08 17:09:40,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-08 17:09:40,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 287. [2024-11-08 17:09:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 281 states have (on average 1.2135231316725978) internal successors, (341), 282 states have internal predecessors, (341), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 17:09:40,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 347 transitions. [2024-11-08 17:09:40,172 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 347 transitions. Word has length 85 [2024-11-08 17:09:40,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:09:40,173 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 347 transitions. [2024-11-08 17:09:40,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:09:40,173 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 347 transitions. [2024-11-08 17:09:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 17:09:40,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:09:40,175 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:09:40,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 17:09:40,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:40,376 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:09:40,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:09:40,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1701343011, now seen corresponding path program 1 times [2024-11-08 17:09:40,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:09:40,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1023033403] [2024-11-08 17:09:40,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:09:40,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:40,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:09:40,379 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:09:40,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 17:09:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:09:41,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:09:41,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:09:41,079 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 17:09:41,079 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:09:41,080 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:09:41,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023033403] [2024-11-08 17:09:41,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023033403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:09:41,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:09:41,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:09:41,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626115804] [2024-11-08 17:09:41,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:09:41,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:09:41,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:09:41,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:09:41,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:09:41,084 INFO L87 Difference]: Start difference. First operand 287 states and 347 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:09:41,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:09:41,271 INFO L93 Difference]: Finished difference Result 251 states and 287 transitions. [2024-11-08 17:09:41,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:09:41,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 95 [2024-11-08 17:09:41,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:09:41,274 INFO L225 Difference]: With dead ends: 251 [2024-11-08 17:09:41,274 INFO L226 Difference]: Without dead ends: 251 [2024-11-08 17:09:41,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:09:41,276 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 32 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:09:41,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 625 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:09:41,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-08 17:09:41,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2024-11-08 17:09:41,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 245 states have (on average 1.146938775510204) internal successors, (281), 246 states have internal predecessors, (281), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 17:09:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 287 transitions. [2024-11-08 17:09:41,287 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 287 transitions. Word has length 95 [2024-11-08 17:09:41,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:09:41,287 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 287 transitions. [2024-11-08 17:09:41,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:09:41,288 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 287 transitions. [2024-11-08 17:09:41,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 17:09:41,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:09:41,290 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:09:41,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-08 17:09:41,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:41,494 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:09:41,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:09:41,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1091377713, now seen corresponding path program 1 times [2024-11-08 17:09:41,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:09:41,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [494540868] [2024-11-08 17:09:41,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:09:41,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:41,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:09:41,498 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:09:41,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 17:09:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:09:42,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:09:42,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:09:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 17:09:42,230 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:09:42,231 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:09:42,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494540868] [2024-11-08 17:09:42,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494540868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:09:42,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:09:42,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:09:42,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135708503] [2024-11-08 17:09:42,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:09:42,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:09:42,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:09:42,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:09:42,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:09:42,234 INFO L87 Difference]: Start difference. First operand 251 states and 287 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:09:46,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:09:50,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:09:53,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:09:54,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:09:54,632 INFO L93 Difference]: Finished difference Result 253 states and 288 transitions. [2024-11-08 17:09:54,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:09:54,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 95 [2024-11-08 17:09:54,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:09:54,636 INFO L225 Difference]: With dead ends: 253 [2024-11-08 17:09:54,636 INFO L226 Difference]: Without dead ends: 253 [2024-11-08 17:09:54,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:09:54,637 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 209 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:09:54,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 410 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2024-11-08 17:09:54,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-08 17:09:54,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 251. [2024-11-08 17:09:54,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 245 states have (on average 1.1428571428571428) internal successors, (280), 246 states have internal predecessors, (280), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-08 17:09:54,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 286 transitions. [2024-11-08 17:09:54,646 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 286 transitions. Word has length 95 [2024-11-08 17:09:54,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:09:54,648 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 286 transitions. [2024-11-08 17:09:54,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:09:54,649 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 286 transitions. [2024-11-08 17:09:54,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 17:09:54,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:09:54,651 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:09:54,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-08 17:09:54,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:54,852 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:09:54,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:09:54,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1093224755, now seen corresponding path program 1 times [2024-11-08 17:09:54,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:09:54,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1416290510] [2024-11-08 17:09:54,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:09:54,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:54,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:09:54,856 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:09:54,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-08 17:09:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:09:55,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:09:55,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:09:55,573 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 17:09:55,574 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:09:55,574 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:09:55,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416290510] [2024-11-08 17:09:55,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416290510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:09:55,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:09:55,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:09:55,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635442726] [2024-11-08 17:09:55,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:09:55,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:09:55,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:09:55,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:09:55,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:09:55,577 INFO L87 Difference]: Start difference. First operand 251 states and 286 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:09:55,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:09:55,642 INFO L93 Difference]: Finished difference Result 254 states and 290 transitions. [2024-11-08 17:09:55,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:09:55,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 95 [2024-11-08 17:09:55,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:09:55,647 INFO L225 Difference]: With dead ends: 254 [2024-11-08 17:09:55,647 INFO L226 Difference]: Without dead ends: 254 [2024-11-08 17:09:55,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:09:55,649 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 0 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:09:55,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 689 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:09:55,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-08 17:09:55,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2024-11-08 17:09:55,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 247 states have (on average 1.145748987854251) internal successors, (283), 249 states have internal predecessors, (283), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-08 17:09:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 290 transitions. [2024-11-08 17:09:55,659 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 290 transitions. Word has length 95 [2024-11-08 17:09:55,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:09:55,660 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 290 transitions. [2024-11-08 17:09:55,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:09:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 290 transitions. [2024-11-08 17:09:55,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 17:09:55,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:09:55,662 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:09:55,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-08 17:09:55,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:55,863 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:09:55,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:09:55,863 INFO L85 PathProgramCache]: Analyzing trace with hash 2060183633, now seen corresponding path program 1 times [2024-11-08 17:09:55,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:09:55,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2125685702] [2024-11-08 17:09:55,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:09:55,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:55,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:09:55,866 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:09:55,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-08 17:09:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:09:56,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:09:56,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:09:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 17:09:56,669 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:09:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 17:09:56,879 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:09:56,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125685702] [2024-11-08 17:09:56,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125685702] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:09:56,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:09:56,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-08 17:09:56,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068407497] [2024-11-08 17:09:56,880 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:09:56,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:09:56,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:09:56,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:09:56,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:09:56,882 INFO L87 Difference]: Start difference. First operand 254 states and 290 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:09:57,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:09:57,092 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2024-11-08 17:09:57,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:09:57,094 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 97 [2024-11-08 17:09:57,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:09:57,095 INFO L225 Difference]: With dead ends: 265 [2024-11-08 17:09:57,096 INFO L226 Difference]: Without dead ends: 265 [2024-11-08 17:09:57,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:09:57,097 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 5 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:09:57,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 689 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:09:57,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-08 17:09:57,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 263. [2024-11-08 17:09:57,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 255 states have (on average 1.1647058823529413) internal successors, (297), 257 states have internal predecessors, (297), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-08 17:09:57,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 305 transitions. [2024-11-08 17:09:57,107 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 305 transitions. Word has length 97 [2024-11-08 17:09:57,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:09:57,107 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 305 transitions. [2024-11-08 17:09:57,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:09:57,108 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 305 transitions. [2024-11-08 17:09:57,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 17:09:57,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:09:57,110 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:09:57,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-08 17:09:57,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:57,310 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:09:57,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:09:57,311 INFO L85 PathProgramCache]: Analyzing trace with hash -872796749, now seen corresponding path program 2 times [2024-11-08 17:09:57,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:09:57,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1061731845] [2024-11-08 17:09:57,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:09:57,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:57,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:09:57,314 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:09:57,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-08 17:09:58,096 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:09:58,096 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:09:58,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:09:58,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:09:58,276 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 17:09:58,276 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:09:58,588 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 17:09:58,589 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:09:58,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061731845] [2024-11-08 17:09:58,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061731845] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:09:58,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:09:58,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-08 17:09:58,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906162340] [2024-11-08 17:09:58,590 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:09:58,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:09:58,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:09:58,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:09:58,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:09:58,592 INFO L87 Difference]: Start difference. First operand 263 states and 305 transitions. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:09:59,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:09:59,151 INFO L93 Difference]: Finished difference Result 271 states and 315 transitions. [2024-11-08 17:09:59,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:09:59,152 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 101 [2024-11-08 17:09:59,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:09:59,154 INFO L225 Difference]: With dead ends: 271 [2024-11-08 17:09:59,154 INFO L226 Difference]: Without dead ends: 269 [2024-11-08 17:09:59,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:09:59,155 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 5 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:09:59,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 923 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:09:59,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-08 17:09:59,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 267. [2024-11-08 17:09:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 259 states have (on average 1.16988416988417) internal successors, (303), 261 states have internal predecessors, (303), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-08 17:09:59,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 310 transitions. [2024-11-08 17:09:59,169 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 310 transitions. Word has length 101 [2024-11-08 17:09:59,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:09:59,169 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 310 transitions. [2024-11-08 17:09:59,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:09:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 310 transitions. [2024-11-08 17:09:59,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 17:09:59,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:09:59,171 INFO L215 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:09:59,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-08 17:09:59,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:59,376 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:09:59,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:09:59,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1485485133, now seen corresponding path program 3 times [2024-11-08 17:09:59,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:09:59,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [575002982] [2024-11-08 17:09:59,377 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 17:09:59,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:09:59,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:09:59,379 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:09:59,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-08 17:10:00,146 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-08 17:10:00,147 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:10:00,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 17:10:00,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:10:01,095 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 17:10:01,096 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 17:10:01,097 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 17:10:01,104 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 30 treesize of output 39 [2024-11-08 17:10:01,265 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:10:01,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-08 17:10:01,334 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 17:10:01,334 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:10:01,335 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:10:01,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575002982] [2024-11-08 17:10:01,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575002982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:10:01,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:10:01,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:10:01,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542279476] [2024-11-08 17:10:01,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:10:01,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:10:01,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:10:01,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:10:01,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:10:01,338 INFO L87 Difference]: Start difference. First operand 267 states and 310 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:10:01,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:10:01,875 INFO L93 Difference]: Finished difference Result 336 states and 387 transitions. [2024-11-08 17:10:01,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:10:01,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2024-11-08 17:10:01,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:10:01,878 INFO L225 Difference]: With dead ends: 336 [2024-11-08 17:10:01,879 INFO L226 Difference]: Without dead ends: 336 [2024-11-08 17:10:01,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:10:01,880 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 447 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:10:01,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 607 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 17:10:01,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-08 17:10:01,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 269. [2024-11-08 17:10:01,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 261 states have (on average 1.1685823754789273) internal successors, (305), 263 states have internal predecessors, (305), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-08 17:10:01,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 312 transitions. [2024-11-08 17:10:01,890 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 312 transitions. Word has length 105 [2024-11-08 17:10:01,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:10:01,891 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 312 transitions. [2024-11-08 17:10:01,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 17:10:01,891 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 312 transitions. [2024-11-08 17:10:01,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 17:10:01,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:10:01,893 INFO L215 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:10:01,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-08 17:10:02,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:10:02,097 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:10:02,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:10:02,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1928581381, now seen corresponding path program 1 times [2024-11-08 17:10:02,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:10:02,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1834369113] [2024-11-08 17:10:02,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:10:02,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:10:02,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:10:02,101 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:10:02,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-08 17:10:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:02,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 17:10:02,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:10:03,136 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 17:10:03,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:10:03,680 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 17:10:03,680 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:10:03,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834369113] [2024-11-08 17:10:03,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834369113] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:10:03,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:10:03,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-08 17:10:03,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304601275] [2024-11-08 17:10:03,681 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:10:03,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 17:10:03,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:10:03,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 17:10:03,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:10:03,683 INFO L87 Difference]: Start difference. First operand 269 states and 312 transitions. Second operand has 14 states, 14 states have (on average 9.714285714285714) internal successors, (136), 14 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:10:04,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:10:04,561 INFO L93 Difference]: Finished difference Result 281 states and 328 transitions. [2024-11-08 17:10:04,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 17:10:04,562 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.714285714285714) internal successors, (136), 14 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 138 [2024-11-08 17:10:04,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:10:04,564 INFO L225 Difference]: With dead ends: 281 [2024-11-08 17:10:04,564 INFO L226 Difference]: Without dead ends: 277 [2024-11-08 17:10:04,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2024-11-08 17:10:04,565 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 7 mSDsluCounter, 1374 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1605 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:10:04,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1605 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:10:04,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-08 17:10:04,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 275. [2024-11-08 17:10:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 267 states have (on average 1.1797752808988764) internal successors, (315), 269 states have internal predecessors, (315), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-08 17:10:04,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 322 transitions. [2024-11-08 17:10:04,574 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 322 transitions. Word has length 138 [2024-11-08 17:10:04,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:10:04,575 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 322 transitions. [2024-11-08 17:10:04,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.714285714285714) internal successors, (136), 14 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-08 17:10:04,575 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 322 transitions. [2024-11-08 17:10:04,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-08 17:10:04,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:10:04,578 INFO L215 NwaCegarLoop]: trace histogram [16, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:10:04,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-08 17:10:04,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:10:04,778 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:10:04,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:10:04,779 INFO L85 PathProgramCache]: Analyzing trace with hash -586740037, now seen corresponding path program 2 times [2024-11-08 17:10:04,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:10:04,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [540486191] [2024-11-08 17:10:04,780 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:10:04,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:10:04,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:10:04,782 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:10:04,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-08 17:10:05,771 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:10:05,771 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:10:05,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 17:10:05,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:10:06,054 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 82 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-08 17:10:06,054 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:10:06,776 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-08 17:10:06,777 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:10:06,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540486191] [2024-11-08 17:10:06,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540486191] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:10:06,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:10:06,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-08 17:10:06,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141539289] [2024-11-08 17:10:06,778 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:10:06,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 17:10:06,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:10:06,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 17:10:06,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:10:06,781 INFO L87 Difference]: Start difference. First operand 275 states and 322 transitions. Second operand has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:10:08,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:10:08,444 INFO L93 Difference]: Finished difference Result 289 states and 341 transitions. [2024-11-08 17:10:08,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 17:10:08,445 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 144 [2024-11-08 17:10:08,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:10:08,447 INFO L225 Difference]: With dead ends: 289 [2024-11-08 17:10:08,447 INFO L226 Difference]: Without dead ends: 283 [2024-11-08 17:10:08,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=324, Invalid=606, Unknown=0, NotChecked=0, Total=930 [2024-11-08 17:10:08,449 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 10 mSDsluCounter, 1612 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1844 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:10:08,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1844 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 17:10:08,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-08 17:10:08,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2024-11-08 17:10:08,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 275 states have (on average 1.170909090909091) internal successors, (322), 277 states have internal predecessors, (322), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-08 17:10:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 329 transitions. [2024-11-08 17:10:08,458 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 329 transitions. Word has length 144 [2024-11-08 17:10:08,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:10:08,458 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 329 transitions. [2024-11-08 17:10:08,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.0) internal successors, (144), 18 states have internal predecessors, (144), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 17:10:08,459 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 329 transitions. [2024-11-08 17:10:08,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-08 17:10:08,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:10:08,461 INFO L215 NwaCegarLoop]: trace histogram [24, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:10:08,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-08 17:10:08,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:10:08,666 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 17:10:08,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:10:08,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1054715205, now seen corresponding path program 3 times [2024-11-08 17:10:08,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:10:08,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [971364835] [2024-11-08 17:10:08,667 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 17:10:08,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:10:08,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:10:08,669 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:10:08,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba5115c-47b0-414d-9249-365569e0788a/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process