./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0a808cbaf75e35690b91e29e30a5a3e0888859a17f932e1ee324e5b23ddf983 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 10:47:23,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 10:47:23,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 10:47:23,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 10:47:23,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 10:47:23,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 10:47:23,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 10:47:23,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 10:47:23,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 10:47:23,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 10:47:23,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 10:47:23,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 10:47:23,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 10:47:23,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 10:47:23,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 10:47:23,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 10:47:23,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 10:47:23,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 10:47:23,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 10:47:23,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 10:47:23,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 10:47:23,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 10:47:23,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 10:47:23,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 10:47:23,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 10:47:23,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 10:47:23,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 10:47:23,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 10:47:23,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 10:47:23,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 10:47:23,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 10:47:23,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 10:47:23,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 10:47:23,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 10:47:23,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 10:47:23,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 10:47:23,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 10:47:23,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 10:47:23,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 10:47:23,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 10:47:23,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 10:47:23,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-09 10:47:23,763 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 10:47:23,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 10:47:23,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 10:47:23,764 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 10:47:23,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 10:47:23,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 10:47:23,766 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 10:47:23,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 10:47:23,767 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 10:47:23,767 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 10:47:23,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 10:47:23,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 10:47:23,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 10:47:23,769 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-09 10:47:23,769 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-09 10:47:23,769 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-09 10:47:23,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 10:47:23,770 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-09 10:47:23,770 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 10:47:23,770 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 10:47:23,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 10:47:23,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 10:47:23,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 10:47:23,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 10:47:23,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 10:47:23,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 10:47:23,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 10:47:23,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 10:47:23,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 10:47:23,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0a808cbaf75e35690b91e29e30a5a3e0888859a17f932e1ee324e5b23ddf983 [2021-11-09 10:47:24,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 10:47:24,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 10:47:24,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 10:47:24,072 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 10:47:24,072 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 10:47:24,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2021-11-09 10:47:24,138 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/data/8eca7ba5a/7ea542fb85a04df0bc0bc0caed3d2cd6/FLAG1cc3296e0 [2021-11-09 10:47:24,809 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 10:47:24,814 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i [2021-11-09 10:47:24,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/data/8eca7ba5a/7ea542fb85a04df0bc0bc0caed3d2cd6/FLAG1cc3296e0 [2021-11-09 10:47:25,055 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/data/8eca7ba5a/7ea542fb85a04df0bc0bc0caed3d2cd6 [2021-11-09 10:47:25,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 10:47:25,059 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-09 10:47:25,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 10:47:25,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 10:47:25,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 10:47:25,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:47:25" (1/1) ... [2021-11-09 10:47:25,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c7d3f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:47:25, skipping insertion in model container [2021-11-09 10:47:25,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:47:25" (1/1) ... [2021-11-09 10:47:25,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 10:47:25,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 10:47:25,491 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i[24450,24463] [2021-11-09 10:47:25,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:47:25,517 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 10:47:25,586 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/sv-benchmarks/c/list-simple/dll2n_prepend_unequal.i[24450,24463] [2021-11-09 10:47:25,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:47:25,625 INFO L208 MainTranslator]: Completed translation [2021-11-09 10:47:25,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:47:25 WrapperNode [2021-11-09 10:47:25,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 10:47:25,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 10:47:25,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 10:47:25,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 10:47:25,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:47:25" (1/1) ... [2021-11-09 10:47:25,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:47:25" (1/1) ... [2021-11-09 10:47:25,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:47:25" (1/1) ... [2021-11-09 10:47:25,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:47:25" (1/1) ... [2021-11-09 10:47:25,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:47:25" (1/1) ... [2021-11-09 10:47:25,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:47:25" (1/1) ... [2021-11-09 10:47:25,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:47:25" (1/1) ... [2021-11-09 10:47:25,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 10:47:25,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 10:47:25,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 10:47:25,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 10:47:25,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:47:25" (1/1) ... [2021-11-09 10:47:25,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 10:47:25,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:47:25,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 10:47:25,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 10:47:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-09 10:47:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 10:47:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-11-09 10:47:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-09 10:47:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-09 10:47:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-11-09 10:47:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-11-09 10:47:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2021-11-09 10:47:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2021-11-09 10:47:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_prepend [2021-11-09 10:47:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-09 10:47:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-09 10:47:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-11-09 10:47:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-11-09 10:47:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-11-09 10:47:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-11-09 10:47:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 10:47:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-09 10:47:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-09 10:47:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-09 10:47:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-09 10:47:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-09 10:47:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-09 10:47:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-09 10:47:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-09 10:47:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-09 10:47:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-09 10:47:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-09 10:47:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-09 10:47:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-09 10:47:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-09 10:47:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-09 10:47:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-09 10:47:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-09 10:47:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-09 10:47:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-09 10:47:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-09 10:47:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-09 10:47:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-09 10:47:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-09 10:47:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-09 10:47:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-09 10:47:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-09 10:47:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-09 10:47:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-09 10:47:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-09 10:47:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-09 10:47:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-09 10:47:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-09 10:47:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-09 10:47:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-09 10:47:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-09 10:47:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-09 10:47:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-09 10:47:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-09 10:47:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-09 10:47:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-09 10:47:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-09 10:47:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-09 10:47:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-09 10:47:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-09 10:47:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-09 10:47:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-09 10:47:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-09 10:47:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-09 10:47:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-09 10:47:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-09 10:47:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-09 10:47:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-09 10:47:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-09 10:47:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-09 10:47:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-09 10:47:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-09 10:47:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-11-09 10:47:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-09 10:47:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-09 10:47:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-09 10:47:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-09 10:47:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-09 10:47:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-09 10:47:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-09 10:47:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-09 10:47:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-09 10:47:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-09 10:47:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-09 10:47:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-09 10:47:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-09 10:47:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-09 10:47:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-09 10:47:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-09 10:47:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-09 10:47:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-09 10:47:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-09 10:47:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-09 10:47:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-09 10:47:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-09 10:47:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-09 10:47:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-09 10:47:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-09 10:47:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-09 10:47:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-09 10:47:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-09 10:47:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-09 10:47:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-09 10:47:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-09 10:47:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-09 10:47:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-09 10:47:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-09 10:47:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-09 10:47:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-09 10:47:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-09 10:47:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-09 10:47:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-09 10:47:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-09 10:47:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-09 10:47:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-09 10:47:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-09 10:47:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-09 10:47:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-09 10:47:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-09 10:47:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-09 10:47:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-11-09 10:47:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-11-09 10:47:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 10:47:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 10:47:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 10:47:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2021-11-09 10:47:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2021-11-09 10:47:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 10:47:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 10:47:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure dll_prepend [2021-11-09 10:47:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-09 10:47:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-09 10:47:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 10:47:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-09 10:47:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 10:47:25,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 10:47:26,287 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2021-11-09 10:47:26,629 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 10:47:26,630 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-09 10:47:26,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:47:26 BoogieIcfgContainer [2021-11-09 10:47:26,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 10:47:26,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 10:47:26,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 10:47:26,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 10:47:26,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:47:25" (1/3) ... [2021-11-09 10:47:26,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1dae8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:47:26, skipping insertion in model container [2021-11-09 10:47:26,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:47:25" (2/3) ... [2021-11-09 10:47:26,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1dae8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:47:26, skipping insertion in model container [2021-11-09 10:47:26,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:47:26" (3/3) ... [2021-11-09 10:47:26,644 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2n_prepend_unequal.i [2021-11-09 10:47:26,650 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 10:47:26,650 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2021-11-09 10:47:26,720 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 10:47:26,728 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 10:47:26,729 INFO L340 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2021-11-09 10:47:26,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 61 states have (on average 1.9508196721311475) internal successors, (119), 107 states have internal predecessors, (119), 8 states have call successors, (8), 7 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-09 10:47:26,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-09 10:47:26,767 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:26,767 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:47:26,768 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting dll_createErr0REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:26,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:26,777 INFO L85 PathProgramCache]: Analyzing trace with hash 195953250, now seen corresponding path program 1 times [2021-11-09 10:47:26,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:26,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152816726] [2021-11-09 10:47:26,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:26,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:27,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:27,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:27,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152816726] [2021-11-09 10:47:27,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152816726] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:27,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:47:27,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:47:27,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132762458] [2021-11-09 10:47:27,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 10:47:27,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:27,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 10:47:27,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 10:47:27,085 INFO L87 Difference]: Start difference. First operand has 121 states, 61 states have (on average 1.9508196721311475) internal successors, (119), 107 states have internal predecessors, (119), 8 states have call successors, (8), 7 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-09 10:47:27,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:27,382 INFO L93 Difference]: Finished difference Result 135 states and 145 transitions. [2021-11-09 10:47:27,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 10:47:27,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-11-09 10:47:27,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:27,394 INFO L225 Difference]: With dead ends: 135 [2021-11-09 10:47:27,394 INFO L226 Difference]: Without dead ends: 128 [2021-11-09 10:47:27,396 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 10:47:27,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-09 10:47:27,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 111. [2021-11-09 10:47:27,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 58 states have (on average 1.8275862068965518) internal successors, (106), 99 states have internal predecessors, (106), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:27,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 117 transitions. [2021-11-09 10:47:27,456 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 117 transitions. Word has length 11 [2021-11-09 10:47:27,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:27,456 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 117 transitions. [2021-11-09 10:47:27,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-09 10:47:27,457 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 117 transitions. [2021-11-09 10:47:27,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-09 10:47:27,459 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:27,460 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:47:27,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 10:47:27,460 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting dll_createErr1REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:27,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:27,461 INFO L85 PathProgramCache]: Analyzing trace with hash 195953251, now seen corresponding path program 1 times [2021-11-09 10:47:27,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:27,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946455260] [2021-11-09 10:47:27,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:27,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:27,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:27,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:27,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:27,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946455260] [2021-11-09 10:47:27,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946455260] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:27,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:47:27,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:47:27,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619449490] [2021-11-09 10:47:27,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 10:47:27,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:27,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 10:47:27,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 10:47:27,625 INFO L87 Difference]: Start difference. First operand 111 states and 117 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-09 10:47:27,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:27,906 INFO L93 Difference]: Finished difference Result 125 states and 133 transitions. [2021-11-09 10:47:27,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 10:47:27,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-11-09 10:47:27,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:27,908 INFO L225 Difference]: With dead ends: 125 [2021-11-09 10:47:27,909 INFO L226 Difference]: Without dead ends: 125 [2021-11-09 10:47:27,909 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 10:47:27,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-09 10:47:27,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 108. [2021-11-09 10:47:27,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 58 states have (on average 1.7758620689655173) internal successors, (103), 96 states have internal predecessors, (103), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:27,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 114 transitions. [2021-11-09 10:47:27,919 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 114 transitions. Word has length 11 [2021-11-09 10:47:27,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:27,919 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 114 transitions. [2021-11-09 10:47:27,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-09 10:47:27,925 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2021-11-09 10:47:27,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-09 10:47:27,926 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:27,926 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:47:27,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 10:47:27,926 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting dll_createErr6REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:27,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:27,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1502265114, now seen corresponding path program 1 times [2021-11-09 10:47:27,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:27,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11562684] [2021-11-09 10:47:27,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:27,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:28,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:28,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:28,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11562684] [2021-11-09 10:47:28,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11562684] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:28,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:47:28,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 10:47:28,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125297558] [2021-11-09 10:47:28,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 10:47:28,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:28,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 10:47:28,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 10:47:28,082 INFO L87 Difference]: Start difference. First operand 108 states and 114 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-09 10:47:28,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:28,327 INFO L93 Difference]: Finished difference Result 131 states and 139 transitions. [2021-11-09 10:47:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 10:47:28,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-11-09 10:47:28,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:28,331 INFO L225 Difference]: With dead ends: 131 [2021-11-09 10:47:28,332 INFO L226 Difference]: Without dead ends: 131 [2021-11-09 10:47:28,332 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-09 10:47:28,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-09 10:47:28,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2021-11-09 10:47:28,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 64 states have (on average 1.71875) internal successors, (110), 102 states have internal predecessors, (110), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:28,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2021-11-09 10:47:28,351 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 15 [2021-11-09 10:47:28,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:28,352 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 121 transitions. [2021-11-09 10:47:28,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-09 10:47:28,352 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2021-11-09 10:47:28,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-09 10:47:28,353 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:28,353 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:47:28,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 10:47:28,354 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting node_createErr1REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:28,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:28,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1068370031, now seen corresponding path program 1 times [2021-11-09 10:47:28,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:28,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443247357] [2021-11-09 10:47:28,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:28,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:28,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:28,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:28,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:28,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:28,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443247357] [2021-11-09 10:47:28,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443247357] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:28,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:47:28,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 10:47:28,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362962990] [2021-11-09 10:47:28,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-09 10:47:28,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:28,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-09 10:47:28,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-09 10:47:28,511 INFO L87 Difference]: Start difference. First operand 114 states and 121 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-09 10:47:28,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:28,879 INFO L93 Difference]: Finished difference Result 131 states and 138 transitions. [2021-11-09 10:47:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-09 10:47:28,880 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2021-11-09 10:47:28,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:28,882 INFO L225 Difference]: With dead ends: 131 [2021-11-09 10:47:28,882 INFO L226 Difference]: Without dead ends: 128 [2021-11-09 10:47:28,883 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-09 10:47:28,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-09 10:47:28,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 114. [2021-11-09 10:47:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 64 states have (on average 1.703125) internal successors, (109), 102 states have internal predecessors, (109), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:28,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 120 transitions. [2021-11-09 10:47:28,903 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 120 transitions. Word has length 19 [2021-11-09 10:47:28,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:28,903 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 120 transitions. [2021-11-09 10:47:28,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-09 10:47:28,904 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 120 transitions. [2021-11-09 10:47:28,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-09 10:47:28,909 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:28,909 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:47:28,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 10:47:28,909 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting dll_createErr6REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:28,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:28,910 INFO L85 PathProgramCache]: Analyzing trace with hash 129102593, now seen corresponding path program 1 times [2021-11-09 10:47:28,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:28,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565829727] [2021-11-09 10:47:28,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:28,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:29,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:29,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565829727] [2021-11-09 10:47:29,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565829727] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:29,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771175584] [2021-11-09 10:47:29,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:29,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:47:29,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:47:29,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:47:29,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-09 10:47:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:29,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-09 10:47:29,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:47:29,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-09 10:47:29,438 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-09 10:47:29,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-09 10:47:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:29,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771175584] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:29,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 10:47:29,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6 [2021-11-09 10:47:29,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260056922] [2021-11-09 10:47:29,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-09 10:47:29,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:29,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-09 10:47:29,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-09 10:47:29,658 INFO L87 Difference]: Start difference. First operand 114 states and 120 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-09 10:47:29,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:29,965 INFO L93 Difference]: Finished difference Result 131 states and 139 transitions. [2021-11-09 10:47:29,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 10:47:29,966 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-11-09 10:47:29,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:29,967 INFO L225 Difference]: With dead ends: 131 [2021-11-09 10:47:29,967 INFO L226 Difference]: Without dead ends: 131 [2021-11-09 10:47:29,968 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-09 10:47:29,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-09 10:47:29,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 113. [2021-11-09 10:47:29,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 64 states have (on average 1.6875) internal successors, (108), 101 states have internal predecessors, (108), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:29,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 119 transitions. [2021-11-09 10:47:29,973 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 119 transitions. Word has length 22 [2021-11-09 10:47:29,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:29,973 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 119 transitions. [2021-11-09 10:47:29,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-09 10:47:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 119 transitions. [2021-11-09 10:47:29,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-09 10:47:29,975 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:29,975 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:47:30,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-09 10:47:30,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:47:30,192 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting dll_createErr7REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:30,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:30,192 INFO L85 PathProgramCache]: Analyzing trace with hash 129102594, now seen corresponding path program 1 times [2021-11-09 10:47:30,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:30,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816512023] [2021-11-09 10:47:30,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:30,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:30,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:30,302 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:30,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:30,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816512023] [2021-11-09 10:47:30,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816512023] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:30,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825015979] [2021-11-09 10:47:30,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:30,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:47:30,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:47:30,307 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:47:30,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-09 10:47:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:30,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-09 10:47:30,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:47:30,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-09 10:47:30,644 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-09 10:47:30,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 24 [2021-11-09 10:47:30,653 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-09 10:47:30,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2021-11-09 10:47:30,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:30,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825015979] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:30,814 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 10:47:30,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-11-09 10:47:30,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637506481] [2021-11-09 10:47:30,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 10:47:30,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:30,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 10:47:30,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-09 10:47:30,816 INFO L87 Difference]: Start difference. First operand 113 states and 119 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-09 10:47:31,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:31,341 INFO L93 Difference]: Finished difference Result 130 states and 138 transitions. [2021-11-09 10:47:31,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 10:47:31,342 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-11-09 10:47:31,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:31,343 INFO L225 Difference]: With dead ends: 130 [2021-11-09 10:47:31,343 INFO L226 Difference]: Without dead ends: 130 [2021-11-09 10:47:31,343 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-11-09 10:47:31,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-11-09 10:47:31,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 112. [2021-11-09 10:47:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 64 states have (on average 1.671875) internal successors, (107), 100 states have internal predecessors, (107), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:31,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 118 transitions. [2021-11-09 10:47:31,348 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 118 transitions. Word has length 22 [2021-11-09 10:47:31,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:31,349 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 118 transitions. [2021-11-09 10:47:31,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-09 10:47:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 118 transitions. [2021-11-09 10:47:31,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-09 10:47:31,350 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:31,350 INFO L513 BasicCegarLoop]: 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] [2021-11-09 10:47:31,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-09 10:47:31,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:47:31,576 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting node_createErr1REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:31,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:31,576 INFO L85 PathProgramCache]: Analyzing trace with hash -245226452, now seen corresponding path program 1 times [2021-11-09 10:47:31,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:31,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294170762] [2021-11-09 10:47:31,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:31,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:31,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:31,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:31,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:31,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294170762] [2021-11-09 10:47:31,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294170762] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:31,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405094419] [2021-11-09 10:47:31,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:31,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:47:31,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:47:31,694 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:47:31,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-09 10:47:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:31,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 10:47:31,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:47:31,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:31,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405094419] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:31,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 10:47:31,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 10 [2021-11-09 10:47:31,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380609237] [2021-11-09 10:47:31,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-09 10:47:31,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:31,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-09 10:47:31,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-09 10:47:31,947 INFO L87 Difference]: Start difference. First operand 112 states and 118 transitions. Second operand has 10 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-09 10:47:32,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:32,275 INFO L93 Difference]: Finished difference Result 137 states and 145 transitions. [2021-11-09 10:47:32,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-09 10:47:32,276 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 26 [2021-11-09 10:47:32,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:32,277 INFO L225 Difference]: With dead ends: 137 [2021-11-09 10:47:32,277 INFO L226 Difference]: Without dead ends: 134 [2021-11-09 10:47:32,277 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-09 10:47:32,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-09 10:47:32,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 114. [2021-11-09 10:47:32,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 66 states have (on average 1.6515151515151516) internal successors, (109), 102 states have internal predecessors, (109), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:32,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 120 transitions. [2021-11-09 10:47:32,282 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 120 transitions. Word has length 26 [2021-11-09 10:47:32,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:32,282 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 120 transitions. [2021-11-09 10:47:32,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-09 10:47:32,283 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 120 transitions. [2021-11-09 10:47:32,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-09 10:47:32,284 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:32,284 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:47:32,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-09 10:47:32,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-09 10:47:32,496 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting node_createErr1REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:32,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:32,496 INFO L85 PathProgramCache]: Analyzing trace with hash 123642673, now seen corresponding path program 2 times [2021-11-09 10:47:32,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:32,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881044887] [2021-11-09 10:47:32,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:32,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:32,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:32,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:32,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:32,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881044887] [2021-11-09 10:47:32,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881044887] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:32,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029394756] [2021-11-09 10:47:32,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-09 10:47:32,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:47:32,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:47:32,600 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:47:32,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-09 10:47:32,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-09 10:47:32,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 10:47:32,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 10:47:32,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:47:32,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-09 10:47:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-09 10:47:32,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029394756] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:32,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:47:32,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2021-11-09 10:47:32,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833561328] [2021-11-09 10:47:32,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:47:32,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:32,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:47:32,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-09 10:47:32,849 INFO L87 Difference]: Start difference. First operand 114 states and 120 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-09 10:47:32,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:32,900 INFO L93 Difference]: Finished difference Result 111 states and 117 transitions. [2021-11-09 10:47:32,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:47:32,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-11-09 10:47:32,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:32,902 INFO L225 Difference]: With dead ends: 111 [2021-11-09 10:47:32,903 INFO L226 Difference]: Without dead ends: 111 [2021-11-09 10:47:32,903 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-09 10:47:32,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-11-09 10:47:32,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-11-09 10:47:32,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 66 states have (on average 1.606060606060606) internal successors, (106), 99 states have internal predecessors, (106), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:32,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 117 transitions. [2021-11-09 10:47:32,907 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 117 transitions. Word has length 33 [2021-11-09 10:47:32,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:32,907 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 117 transitions. [2021-11-09 10:47:32,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-09 10:47:32,908 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 117 transitions. [2021-11-09 10:47:32,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-09 10:47:32,909 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:32,909 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:47:32,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-09 10:47:33,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:47:33,124 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting node_createErr0REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:33,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:33,124 INFO L85 PathProgramCache]: Analyzing trace with hash 123642672, now seen corresponding path program 1 times [2021-11-09 10:47:33,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:33,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813226862] [2021-11-09 10:47:33,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:33,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:33,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:33,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:33,210 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:33,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:33,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813226862] [2021-11-09 10:47:33,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813226862] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:33,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541104446] [2021-11-09 10:47:33,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:33,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:47:33,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:47:33,212 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:47:33,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-09 10:47:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:33,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 10:47:33,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:47:33,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-09 10:47:33,484 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-09 10:47:33,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541104446] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:33,485 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:47:33,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2021-11-09 10:47:33,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427103501] [2021-11-09 10:47:33,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:47:33,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:33,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:47:33,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-09 10:47:33,487 INFO L87 Difference]: Start difference. First operand 111 states and 117 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-09 10:47:33,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:33,561 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2021-11-09 10:47:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:47:33,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-11-09 10:47:33,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:33,563 INFO L225 Difference]: With dead ends: 108 [2021-11-09 10:47:33,563 INFO L226 Difference]: Without dead ends: 108 [2021-11-09 10:47:33,564 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-09 10:47:33,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-11-09 10:47:33,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2021-11-09 10:47:33,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 66 states have (on average 1.5606060606060606) internal successors, (103), 96 states have internal predecessors, (103), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 114 transitions. [2021-11-09 10:47:33,568 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 114 transitions. Word has length 33 [2021-11-09 10:47:33,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:33,568 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 114 transitions. [2021-11-09 10:47:33,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-09 10:47:33,569 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2021-11-09 10:47:33,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-09 10:47:33,570 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:33,570 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-09 10:47:33,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-09 10:47:33,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:47:33,800 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting dll_prependErr0REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:33,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:33,800 INFO L85 PathProgramCache]: Analyzing trace with hash -2135153349, now seen corresponding path program 1 times [2021-11-09 10:47:33,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:33,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211729908] [2021-11-09 10:47:33,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:33,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:33,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:33,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:33,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-09 10:47:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:33,907 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:33,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:33,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211729908] [2021-11-09 10:47:33,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211729908] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:33,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882486647] [2021-11-09 10:47:33,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:33,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:47:33,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:47:33,910 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:47:33,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-09 10:47:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:34,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 10:47:34,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:47:34,201 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:34,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882486647] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:34,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 10:47:34,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 6 [2021-11-09 10:47:34,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706276276] [2021-11-09 10:47:34,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 10:47:34,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:34,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 10:47:34,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-09 10:47:34,208 INFO L87 Difference]: Start difference. First operand 108 states and 114 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-09 10:47:34,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:34,468 INFO L93 Difference]: Finished difference Result 121 states and 127 transitions. [2021-11-09 10:47:34,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 10:47:34,470 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2021-11-09 10:47:34,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:34,475 INFO L225 Difference]: With dead ends: 121 [2021-11-09 10:47:34,475 INFO L226 Difference]: Without dead ends: 121 [2021-11-09 10:47:34,476 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-09 10:47:34,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-11-09 10:47:34,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 108. [2021-11-09 10:47:34,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 66 states have (on average 1.5454545454545454) internal successors, (102), 96 states have internal predecessors, (102), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:34,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 113 transitions. [2021-11-09 10:47:34,480 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 113 transitions. Word has length 40 [2021-11-09 10:47:34,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:34,481 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 113 transitions. [2021-11-09 10:47:34,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-09 10:47:34,481 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 113 transitions. [2021-11-09 10:47:34,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-09 10:47:34,482 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:34,482 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-09 10:47:34,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-09 10:47:34,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-09 10:47:34,688 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting dll_prependErr0REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:34,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:34,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1207733516, now seen corresponding path program 1 times [2021-11-09 10:47:34,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:34,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357135196] [2021-11-09 10:47:34,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:34,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:34,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:34,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:35,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-09 10:47:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:35,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:35,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357135196] [2021-11-09 10:47:35,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357135196] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:35,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297741966] [2021-11-09 10:47:35,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:35,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:47:35,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:47:35,156 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:47:35,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-09 10:47:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:35,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-09 10:47:35,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:47:35,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-09 10:47:35,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2021-11-09 10:47:37,582 WARN L860 $PredicateComparison]: unable to prove that (exists ((dll_create_~new_head~0.base Int)) (and (< dll_create_~new_head~0.base |c_#StackHeapBarrier|) (exists ((v_dll_create_~new_head~0.base_15 Int)) (and (< v_dll_create_~new_head~0.base_15 |c_#StackHeapBarrier|) (= (store (store |c_old(#valid)| v_dll_create_~new_head~0.base_15 1) dll_create_~new_head~0.base 1) |c_#valid|))))) is different from true [2021-11-09 10:47:37,933 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-11-09 10:47:37,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2021-11-09 10:47:38,227 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-11-09 10:47:38,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 27 [2021-11-09 10:47:38,295 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 8 not checked. [2021-11-09 10:47:38,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297741966] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:38,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 10:47:38,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 21 [2021-11-09 10:47:38,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26964635] [2021-11-09 10:47:38,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-09 10:47:38,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:38,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-09 10:47:38,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=351, Unknown=1, NotChecked=38, Total=462 [2021-11-09 10:47:38,300 INFO L87 Difference]: Start difference. First operand 108 states and 113 transitions. Second operand has 22 states, 20 states have (on average 3.2) internal successors, (64), 18 states have internal predecessors, (64), 6 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-09 10:47:39,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:39,824 INFO L93 Difference]: Finished difference Result 181 states and 195 transitions. [2021-11-09 10:47:39,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-09 10:47:39,824 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 3.2) internal successors, (64), 18 states have internal predecessors, (64), 6 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) Word has length 41 [2021-11-09 10:47:39,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:39,827 INFO L225 Difference]: With dead ends: 181 [2021-11-09 10:47:39,827 INFO L226 Difference]: Without dead ends: 181 [2021-11-09 10:47:39,828 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=194, Invalid=865, Unknown=1, NotChecked=62, Total=1122 [2021-11-09 10:47:39,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2021-11-09 10:47:39,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 132. [2021-11-09 10:47:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 90 states have (on average 1.4777777777777779) internal successors, (133), 116 states have internal predecessors, (133), 8 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2021-11-09 10:47:39,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 149 transitions. [2021-11-09 10:47:39,846 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 149 transitions. Word has length 41 [2021-11-09 10:47:39,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:39,847 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 149 transitions. [2021-11-09 10:47:39,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 3.2) internal successors, (64), 18 states have internal predecessors, (64), 6 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-09 10:47:39,847 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 149 transitions. [2021-11-09 10:47:39,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-09 10:47:39,849 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:39,849 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-09 10:47:39,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-09 10:47:40,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-09 10:47:40,072 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting dll_prependErr1REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:40,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:40,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1207733515, now seen corresponding path program 1 times [2021-11-09 10:47:40,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:40,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200731725] [2021-11-09 10:47:40,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:40,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:40,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:40,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:40,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-09 10:47:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:40,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:40,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200731725] [2021-11-09 10:47:40,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200731725] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:40,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981566110] [2021-11-09 10:47:40,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:40,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:47:40,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:47:40,572 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:47:40,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-09 10:47:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:40,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-09 10:47:40,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:47:40,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-09 10:47:40,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2021-11-09 10:47:41,448 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-11-09 10:47:41,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2021-11-09 10:47:41,667 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-09 10:47:41,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 15 [2021-11-09 10:47:41,806 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-11-09 10:47:41,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 32 [2021-11-09 10:47:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:41,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981566110] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:41,884 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 10:47:41,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9] total 20 [2021-11-09 10:47:41,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704399080] [2021-11-09 10:47:41,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-09 10:47:41,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:41,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-09 10:47:41,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2021-11-09 10:47:41,887 INFO L87 Difference]: Start difference. First operand 132 states and 149 transitions. Second operand has 21 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 6 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:43,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:43,422 INFO L93 Difference]: Finished difference Result 202 states and 216 transitions. [2021-11-09 10:47:43,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-09 10:47:43,423 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 6 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 41 [2021-11-09 10:47:43,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:43,424 INFO L225 Difference]: With dead ends: 202 [2021-11-09 10:47:43,425 INFO L226 Difference]: Without dead ends: 202 [2021-11-09 10:47:43,425 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=163, Invalid=767, Unknown=0, NotChecked=0, Total=930 [2021-11-09 10:47:43,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-11-09 10:47:43,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 144. [2021-11-09 10:47:43,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 102 states have (on average 1.4901960784313726) internal successors, (152), 128 states have internal predecessors, (152), 8 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2021-11-09 10:47:43,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2021-11-09 10:47:43,432 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 41 [2021-11-09 10:47:43,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:43,433 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2021-11-09 10:47:43,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 6 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:43,433 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2021-11-09 10:47:43,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-09 10:47:43,434 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:43,434 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-09 10:47:43,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-09 10:47:43,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-09 10:47:43,652 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting dll_prependErr2REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:43,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:43,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1214966804, now seen corresponding path program 1 times [2021-11-09 10:47:43,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:43,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182300489] [2021-11-09 10:47:43,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:43,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:43,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:43,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-09 10:47:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:43,757 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-09 10:47:43,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:43,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182300489] [2021-11-09 10:47:43,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182300489] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:43,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:47:43,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 10:47:43,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249791821] [2021-11-09 10:47:43,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-09 10:47:43,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:43,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-09 10:47:43,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-09 10:47:43,760 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 10:47:44,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:44,058 INFO L93 Difference]: Finished difference Result 156 states and 180 transitions. [2021-11-09 10:47:44,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-09 10:47:44,059 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2021-11-09 10:47:44,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:44,061 INFO L225 Difference]: With dead ends: 156 [2021-11-09 10:47:44,061 INFO L226 Difference]: Without dead ends: 156 [2021-11-09 10:47:44,061 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-09 10:47:44,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-09 10:47:44,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 143. [2021-11-09 10:47:44,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 102 states have (on average 1.4705882352941178) internal successors, (150), 127 states have internal predecessors, (150), 8 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2021-11-09 10:47:44,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 166 transitions. [2021-11-09 10:47:44,082 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 166 transitions. Word has length 42 [2021-11-09 10:47:44,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:44,082 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 166 transitions. [2021-11-09 10:47:44,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 10:47:44,083 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2021-11-09 10:47:44,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-09 10:47:44,087 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:44,087 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-09 10:47:44,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-09 10:47:44,088 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting dll_prependErr3REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:44,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:44,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1214966805, now seen corresponding path program 1 times [2021-11-09 10:47:44,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:44,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314945674] [2021-11-09 10:47:44,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:44,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:44,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:44,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:44,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-09 10:47:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-09 10:47:44,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:44,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314945674] [2021-11-09 10:47:44,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314945674] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:44,244 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:47:44,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 10:47:44,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715268682] [2021-11-09 10:47:44,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-09 10:47:44,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:44,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-09 10:47:44,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-09 10:47:44,246 INFO L87 Difference]: Start difference. First operand 143 states and 166 transitions. Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 10:47:44,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:44,580 INFO L93 Difference]: Finished difference Result 155 states and 178 transitions. [2021-11-09 10:47:44,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-09 10:47:44,580 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2021-11-09 10:47:44,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:44,582 INFO L225 Difference]: With dead ends: 155 [2021-11-09 10:47:44,582 INFO L226 Difference]: Without dead ends: 155 [2021-11-09 10:47:44,582 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-09 10:47:44,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-11-09 10:47:44,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 142. [2021-11-09 10:47:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 102 states have (on average 1.4509803921568627) internal successors, (148), 126 states have internal predecessors, (148), 8 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2021-11-09 10:47:44,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 164 transitions. [2021-11-09 10:47:44,588 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 164 transitions. Word has length 42 [2021-11-09 10:47:44,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:44,588 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 164 transitions. [2021-11-09 10:47:44,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-09 10:47:44,588 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 164 transitions. [2021-11-09 10:47:44,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-09 10:47:44,589 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:44,590 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-09 10:47:44,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-09 10:47:44,590 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting dll_prependErr8REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:44,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:44,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1267866111, now seen corresponding path program 1 times [2021-11-09 10:47:44,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:44,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573083587] [2021-11-09 10:47:44,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:44,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:44,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:44,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:44,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-09 10:47:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:45,095 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-09 10:47:45,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:45,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573083587] [2021-11-09 10:47:45,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573083587] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:45,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:47:45,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-09 10:47:45,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648137682] [2021-11-09 10:47:45,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-09 10:47:45,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:45,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-09 10:47:45,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2021-11-09 10:47:45,098 INFO L87 Difference]: Start difference. First operand 142 states and 164 transitions. Second operand has 19 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-09 10:47:46,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:46,197 INFO L93 Difference]: Finished difference Result 157 states and 179 transitions. [2021-11-09 10:47:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-09 10:47:46,197 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 47 [2021-11-09 10:47:46,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:46,199 INFO L225 Difference]: With dead ends: 157 [2021-11-09 10:47:46,199 INFO L226 Difference]: Without dead ends: 157 [2021-11-09 10:47:46,199 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=713, Unknown=0, NotChecked=0, Total=812 [2021-11-09 10:47:46,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-11-09 10:47:46,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 141. [2021-11-09 10:47:46,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 102 states have (on average 1.4313725490196079) internal successors, (146), 125 states have internal predecessors, (146), 8 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2021-11-09 10:47:46,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 162 transitions. [2021-11-09 10:47:46,207 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 162 transitions. Word has length 47 [2021-11-09 10:47:46,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:46,208 INFO L470 AbstractCegarLoop]: Abstraction has 141 states and 162 transitions. [2021-11-09 10:47:46,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 2.466666666666667) internal successors, (37), 14 states have internal predecessors, (37), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-09 10:47:46,208 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 162 transitions. [2021-11-09 10:47:46,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-09 10:47:46,209 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:46,209 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-09 10:47:46,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-09 10:47:46,210 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting dll_prependErr9REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:46,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:46,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1267866112, now seen corresponding path program 1 times [2021-11-09 10:47:46,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:46,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093615678] [2021-11-09 10:47:46,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:46,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:46,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:46,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:46,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-09 10:47:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:47,244 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-09 10:47:47,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:47,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093615678] [2021-11-09 10:47:47,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093615678] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:47,244 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:47:47,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-09 10:47:47,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456956937] [2021-11-09 10:47:47,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-09 10:47:47,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:47,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-09 10:47:47,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2021-11-09 10:47:47,246 INFO L87 Difference]: Start difference. First operand 141 states and 162 transitions. Second operand has 19 states, 15 states have (on average 2.6) internal successors, (39), 14 states have internal predecessors, (39), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-09 10:47:48,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:48,398 INFO L93 Difference]: Finished difference Result 156 states and 177 transitions. [2021-11-09 10:47:48,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-09 10:47:48,398 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 2.6) internal successors, (39), 14 states have internal predecessors, (39), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 47 [2021-11-09 10:47:48,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:48,400 INFO L225 Difference]: With dead ends: 156 [2021-11-09 10:47:48,400 INFO L226 Difference]: Without dead ends: 156 [2021-11-09 10:47:48,400 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=99, Invalid=713, Unknown=0, NotChecked=0, Total=812 [2021-11-09 10:47:48,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-09 10:47:48,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 140. [2021-11-09 10:47:48,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 102 states have (on average 1.411764705882353) internal successors, (144), 124 states have internal predecessors, (144), 8 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (8), 8 states have call predecessors, (8), 7 states have call successors, (8) [2021-11-09 10:47:48,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 160 transitions. [2021-11-09 10:47:48,408 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 160 transitions. Word has length 47 [2021-11-09 10:47:48,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:48,409 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 160 transitions. [2021-11-09 10:47:48,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 2.6) internal successors, (39), 14 states have internal predecessors, (39), 4 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-09 10:47:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 160 transitions. [2021-11-09 10:47:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-09 10:47:48,410 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:48,410 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2021-11-09 10:47:48,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-09 10:47:48,410 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting dll_prependErr0REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:48,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:48,411 INFO L85 PathProgramCache]: Analyzing trace with hash -359600632, now seen corresponding path program 2 times [2021-11-09 10:47:48,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:48,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377891329] [2021-11-09 10:47:48,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:48,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:48,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:48,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-09 10:47:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:48,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:48,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377891329] [2021-11-09 10:47:48,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377891329] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:48,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302729628] [2021-11-09 10:47:48,540 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-09 10:47:48,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:47:48,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:47:48,547 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:47:48,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-09 10:47:48,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-09 10:47:48,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 10:47:48,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-09 10:47:48,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:47:49,051 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:47:49,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302729628] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:47:49,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 10:47:49,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 11 [2021-11-09 10:47:49,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495578053] [2021-11-09 10:47:49,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 10:47:49,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:49,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 10:47:49,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-09 10:47:49,054 INFO L87 Difference]: Start difference. First operand 140 states and 160 transitions. Second operand has 11 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 4 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-09 10:47:49,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:49,354 INFO L93 Difference]: Finished difference Result 116 states and 122 transitions. [2021-11-09 10:47:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-09 10:47:49,355 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 4 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) Word has length 49 [2021-11-09 10:47:49,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:49,356 INFO L225 Difference]: With dead ends: 116 [2021-11-09 10:47:49,356 INFO L226 Difference]: Without dead ends: 105 [2021-11-09 10:47:49,356 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-11-09 10:47:49,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-11-09 10:47:49,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 92. [2021-11-09 10:47:49,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 80 states have internal predecessors, (85), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:49,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 96 transitions. [2021-11-09 10:47:49,360 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 96 transitions. Word has length 49 [2021-11-09 10:47:49,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:49,360 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 96 transitions. [2021-11-09 10:47:49,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 4 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-09 10:47:49,361 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 96 transitions. [2021-11-09 10:47:49,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-09 10:47:49,361 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:49,361 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-09 10:47:49,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-09 10:47:49,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-09 10:47:49,572 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting mainErr2REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:49,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:49,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1897310270, now seen corresponding path program 1 times [2021-11-09 10:47:49,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:49,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792975625] [2021-11-09 10:47:49,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:49,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:49,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:49,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:49,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-09 10:47:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:49,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-09 10:47:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:49,769 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-09 10:47:49,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:49,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792975625] [2021-11-09 10:47:49,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792975625] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:49,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:47:49,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 10:47:49,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47817818] [2021-11-09 10:47:49,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 10:47:49,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:49,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 10:47:49,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-11-09 10:47:49,772 INFO L87 Difference]: Start difference. First operand 92 states and 96 transitions. Second operand has 13 states, 11 states have (on average 3.272727272727273) internal successors, (36), 9 states have internal predecessors, (36), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-09 10:47:50,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:50,144 INFO L93 Difference]: Finished difference Result 105 states and 109 transitions. [2021-11-09 10:47:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-09 10:47:50,144 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 3.272727272727273) internal successors, (36), 9 states have internal predecessors, (36), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2021-11-09 10:47:50,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:50,145 INFO L225 Difference]: With dead ends: 105 [2021-11-09 10:47:50,145 INFO L226 Difference]: Without dead ends: 105 [2021-11-09 10:47:50,146 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-11-09 10:47:50,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-11-09 10:47:50,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 89. [2021-11-09 10:47:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 66 states have (on average 1.2424242424242424) internal successors, (82), 77 states have internal predecessors, (82), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:50,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 93 transitions. [2021-11-09 10:47:50,150 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 93 transitions. Word has length 51 [2021-11-09 10:47:50,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:50,150 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 93 transitions. [2021-11-09 10:47:50,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 3.272727272727273) internal successors, (36), 9 states have internal predecessors, (36), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-09 10:47:50,150 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 93 transitions. [2021-11-09 10:47:50,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-09 10:47:50,151 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:50,151 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-09 10:47:50,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-09 10:47:50,151 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting mainErr3REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:50,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:50,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1897310269, now seen corresponding path program 1 times [2021-11-09 10:47:50,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:50,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946220430] [2021-11-09 10:47:50,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:50,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:50,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:50,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:50,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-09 10:47:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:50,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-09 10:47:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-09 10:47:50,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:50,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946220430] [2021-11-09 10:47:50,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946220430] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:50,394 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:47:50,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 10:47:50,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702375777] [2021-11-09 10:47:50,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-09 10:47:50,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:50,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 10:47:50,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-11-09 10:47:50,396 INFO L87 Difference]: Start difference. First operand 89 states and 93 transitions. Second operand has 13 states, 11 states have (on average 3.272727272727273) internal successors, (36), 9 states have internal predecessors, (36), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-09 10:47:50,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:50,825 INFO L93 Difference]: Finished difference Result 102 states and 106 transitions. [2021-11-09 10:47:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-09 10:47:50,825 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 3.272727272727273) internal successors, (36), 9 states have internal predecessors, (36), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2021-11-09 10:47:50,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:50,826 INFO L225 Difference]: With dead ends: 102 [2021-11-09 10:47:50,826 INFO L226 Difference]: Without dead ends: 102 [2021-11-09 10:47:50,827 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-11-09 10:47:50,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-11-09 10:47:50,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 87. [2021-11-09 10:47:50,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 75 states have internal predecessors, (80), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:50,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions. [2021-11-09 10:47:50,831 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 51 [2021-11-09 10:47:50,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:50,831 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions. [2021-11-09 10:47:50,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 3.272727272727273) internal successors, (36), 9 states have internal predecessors, (36), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-09 10:47:50,832 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2021-11-09 10:47:50,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-09 10:47:50,833 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:50,833 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-09 10:47:50,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-09 10:47:50,833 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting mainErr12ASSERT_VIOLATIONMEMORY_LEAK === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:50,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:50,834 INFO L85 PathProgramCache]: Analyzing trace with hash 2045932714, now seen corresponding path program 1 times [2021-11-09 10:47:50,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:50,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573118749] [2021-11-09 10:47:50,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:50,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:50,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:50,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:50,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-09 10:47:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:51,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-09 10:47:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:51,495 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-09 10:47:51,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:51,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573118749] [2021-11-09 10:47:51,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573118749] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:51,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:47:51,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-11-09 10:47:51,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264177464] [2021-11-09 10:47:51,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-09 10:47:51,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:51,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-09 10:47:51,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-11-09 10:47:51,497 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand has 20 states, 17 states have (on average 2.588235294117647) internal successors, (44), 16 states have internal predecessors, (44), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 10:47:52,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:52,301 INFO L93 Difference]: Finished difference Result 103 states and 107 transitions. [2021-11-09 10:47:52,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-09 10:47:52,302 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 2.588235294117647) internal successors, (44), 16 states have internal predecessors, (44), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 53 [2021-11-09 10:47:52,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:52,303 INFO L225 Difference]: With dead ends: 103 [2021-11-09 10:47:52,303 INFO L226 Difference]: Without dead ends: 100 [2021-11-09 10:47:52,304 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2021-11-09 10:47:52,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-11-09 10:47:52,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 87. [2021-11-09 10:47:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 66 states have (on average 1.196969696969697) internal successors, (79), 75 states have internal predecessors, (79), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:52,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 90 transitions. [2021-11-09 10:47:52,308 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 90 transitions. Word has length 53 [2021-11-09 10:47:52,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:52,308 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 90 transitions. [2021-11-09 10:47:52,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 2.588235294117647) internal successors, (44), 16 states have internal predecessors, (44), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 10:47:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions. [2021-11-09 10:47:52,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-09 10:47:52,309 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:52,309 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-09 10:47:52,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-09 10:47:52,310 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting mainErr12ASSERT_VIOLATIONMEMORY_LEAK === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:52,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:52,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1800003678, now seen corresponding path program 1 times [2021-11-09 10:47:52,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:52,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110758322] [2021-11-09 10:47:52,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:52,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:52,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:52,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:52,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-09 10:47:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:53,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-09 10:47:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:53,288 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-09 10:47:53,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:53,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110758322] [2021-11-09 10:47:53,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110758322] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:53,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:47:53,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-11-09 10:47:53,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394138156] [2021-11-09 10:47:53,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-09 10:47:53,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:53,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-09 10:47:53,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=546, Unknown=0, NotChecked=0, Total=600 [2021-11-09 10:47:53,291 INFO L87 Difference]: Start difference. First operand 87 states and 90 transitions. Second operand has 25 states, 22 states have (on average 2.0454545454545454) internal successors, (45), 20 states have internal predecessors, (45), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 10:47:54,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:54,472 INFO L93 Difference]: Finished difference Result 100 states and 103 transitions. [2021-11-09 10:47:54,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-09 10:47:54,472 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 2.0454545454545454) internal successors, (45), 20 states have internal predecessors, (45), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 56 [2021-11-09 10:47:54,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:54,473 INFO L225 Difference]: With dead ends: 100 [2021-11-09 10:47:54,473 INFO L226 Difference]: Without dead ends: 100 [2021-11-09 10:47:54,474 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=118, Invalid=1214, Unknown=0, NotChecked=0, Total=1332 [2021-11-09 10:47:54,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-11-09 10:47:54,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 87. [2021-11-09 10:47:54,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 75 states have internal predecessors, (78), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:54,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 89 transitions. [2021-11-09 10:47:54,478 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 89 transitions. Word has length 56 [2021-11-09 10:47:54,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:54,478 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 89 transitions. [2021-11-09 10:47:54,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 2.0454545454545454) internal successors, (45), 20 states have internal predecessors, (45), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 10:47:54,478 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 89 transitions. [2021-11-09 10:47:54,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-09 10:47:54,479 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:54,479 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-09 10:47:54,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-09 10:47:54,480 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting mainErr6REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:54,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:54,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1243673466, now seen corresponding path program 1 times [2021-11-09 10:47:54,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:54,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798247268] [2021-11-09 10:47:54,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:54,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:54,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:54,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-09 10:47:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:55,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-09 10:47:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-09 10:47:55,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:55,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798247268] [2021-11-09 10:47:55,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798247268] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:55,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:47:55,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-11-09 10:47:55,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350559662] [2021-11-09 10:47:55,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-09 10:47:55,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:55,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-09 10:47:55,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=597, Unknown=0, NotChecked=0, Total=650 [2021-11-09 10:47:55,609 INFO L87 Difference]: Start difference. First operand 87 states and 89 transitions. Second operand has 26 states, 22 states have (on average 2.1818181818181817) internal successors, (48), 21 states have internal predecessors, (48), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 10:47:57,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:47:57,414 INFO L93 Difference]: Finished difference Result 110 states and 116 transitions. [2021-11-09 10:47:57,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-09 10:47:57,417 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 22 states have (on average 2.1818181818181817) internal successors, (48), 21 states have internal predecessors, (48), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 59 [2021-11-09 10:47:57,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:47:57,418 INFO L225 Difference]: With dead ends: 110 [2021-11-09 10:47:57,418 INFO L226 Difference]: Without dead ends: 110 [2021-11-09 10:47:57,419 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=143, Invalid=1579, Unknown=0, NotChecked=0, Total=1722 [2021-11-09 10:47:57,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-11-09 10:47:57,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 89. [2021-11-09 10:47:57,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 68 states have (on average 1.2058823529411764) internal successors, (82), 77 states have internal predecessors, (82), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:47:57,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 93 transitions. [2021-11-09 10:47:57,426 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 93 transitions. Word has length 59 [2021-11-09 10:47:57,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:47:57,427 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 93 transitions. [2021-11-09 10:47:57,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 22 states have (on average 2.1818181818181817) internal successors, (48), 21 states have internal predecessors, (48), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 10:47:57,427 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 93 transitions. [2021-11-09 10:47:57,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-09 10:47:57,429 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:47:57,429 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-09 10:47:57,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-09 10:47:57,430 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting mainErr7REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:47:57,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:47:57,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1243673467, now seen corresponding path program 1 times [2021-11-09 10:47:57,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:47:57,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121186607] [2021-11-09 10:47:57,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:47:57,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:47:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:47:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:47:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-09 10:47:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:58,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-09 10:47:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:47:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-09 10:47:59,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:47:59,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121186607] [2021-11-09 10:47:59,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121186607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:47:59,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:47:59,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-11-09 10:47:59,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95118741] [2021-11-09 10:47:59,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-09 10:47:59,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:47:59,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-09 10:47:59,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=644, Unknown=0, NotChecked=0, Total=702 [2021-11-09 10:47:59,846 INFO L87 Difference]: Start difference. First operand 89 states and 93 transitions. Second operand has 27 states, 23 states have (on average 2.1739130434782608) internal successors, (50), 22 states have internal predecessors, (50), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 10:48:02,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:48:02,092 INFO L93 Difference]: Finished difference Result 113 states and 119 transitions. [2021-11-09 10:48:02,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-09 10:48:02,093 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 23 states have (on average 2.1739130434782608) internal successors, (50), 22 states have internal predecessors, (50), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 59 [2021-11-09 10:48:02,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:48:02,094 INFO L225 Difference]: With dead ends: 113 [2021-11-09 10:48:02,094 INFO L226 Difference]: Without dead ends: 113 [2021-11-09 10:48:02,095 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=137, Invalid=1503, Unknown=0, NotChecked=0, Total=1640 [2021-11-09 10:48:02,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-11-09 10:48:02,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 91. [2021-11-09 10:48:02,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 70 states have (on average 1.1857142857142857) internal successors, (83), 79 states have internal predecessors, (83), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:48:02,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 94 transitions. [2021-11-09 10:48:02,099 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 94 transitions. Word has length 59 [2021-11-09 10:48:02,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:48:02,099 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 94 transitions. [2021-11-09 10:48:02,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 23 states have (on average 2.1739130434782608) internal successors, (50), 22 states have internal predecessors, (50), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 10:48:02,100 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 94 transitions. [2021-11-09 10:48:02,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-09 10:48:02,101 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:48:02,101 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-09 10:48:02,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-09 10:48:02,101 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting mainErr12ASSERT_VIOLATIONMEMORY_LEAK === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:48:02,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:48:02,102 INFO L85 PathProgramCache]: Analyzing trace with hash -100829531, now seen corresponding path program 1 times [2021-11-09 10:48:02,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:48:02,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147282234] [2021-11-09 10:48:02,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:48:02,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:48:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:48:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:02,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:48:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:02,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-09 10:48:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-09 10:48:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:04,066 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-09 10:48:04,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:48:04,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147282234] [2021-11-09 10:48:04,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147282234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:48:04,067 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:48:04,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-11-09 10:48:04,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555935427] [2021-11-09 10:48:04,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-09 10:48:04,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:48:04,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-09 10:48:04,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=750, Unknown=0, NotChecked=0, Total=812 [2021-11-09 10:48:04,068 INFO L87 Difference]: Start difference. First operand 91 states and 94 transitions. Second operand has 29 states, 26 states have (on average 1.9615384615384615) internal successors, (51), 24 states have internal predecessors, (51), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 10:48:06,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:48:06,378 INFO L93 Difference]: Finished difference Result 107 states and 110 transitions. [2021-11-09 10:48:06,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-09 10:48:06,379 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 1.9615384615384615) internal successors, (51), 24 states have internal predecessors, (51), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 60 [2021-11-09 10:48:06,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:48:06,380 INFO L225 Difference]: With dead ends: 107 [2021-11-09 10:48:06,380 INFO L226 Difference]: Without dead ends: 107 [2021-11-09 10:48:06,381 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=154, Invalid=1826, Unknown=0, NotChecked=0, Total=1980 [2021-11-09 10:48:06,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-09 10:48:06,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 91. [2021-11-09 10:48:06,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 79 states have internal predecessors, (82), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:48:06,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 93 transitions. [2021-11-09 10:48:06,385 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 93 transitions. Word has length 60 [2021-11-09 10:48:06,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:48:06,385 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 93 transitions. [2021-11-09 10:48:06,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 1.9615384615384615) internal successors, (51), 24 states have internal predecessors, (51), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 10:48:06,386 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 93 transitions. [2021-11-09 10:48:06,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-09 10:48:06,386 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:48:06,387 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-09 10:48:06,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-09 10:48:06,387 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting mainErr12ASSERT_VIOLATIONMEMORY_LEAK === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:48:06,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:48:06,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1589423542, now seen corresponding path program 1 times [2021-11-09 10:48:06,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:48:06,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466426204] [2021-11-09 10:48:06,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:48:06,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:48:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:06,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:48:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:06,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:48:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:06,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-09 10:48:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:08,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-09 10:48:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:09,463 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:48:09,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:48:09,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466426204] [2021-11-09 10:48:09,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466426204] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:48:09,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202959931] [2021-11-09 10:48:09,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:48:09,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:48:09,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:48:09,471 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:48:09,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-09 10:48:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:09,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-09 10:48:09,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:48:09,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-09 10:48:09,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2021-11-09 10:48:10,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-09 10:48:10,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:48:10,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-11-09 10:48:10,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:48:10,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-11-09 10:48:10,396 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-11-09 10:48:10,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 28 [2021-11-09 10:48:10,504 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [dll_create_~head~0.base] [2021-11-09 10:48:10,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:48:10,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2021-11-09 10:48:10,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058020807] [2021-11-09 10:48:10,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-09 10:48:10,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:48:10,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-09 10:48:10,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-11-09 10:48:10,507 INFO L87 Difference]: Start difference. First operand 91 states and 93 transitions. Second operand has 32 states, 29 states have (on average 1.8620689655172413) internal successors, (54), 27 states have internal predecessors, (54), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 10:48:13,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:48:13,161 INFO L93 Difference]: Finished difference Result 105 states and 108 transitions. [2021-11-09 10:48:13,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-09 10:48:13,161 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 29 states have (on average 1.8620689655172413) internal successors, (54), 27 states have internal predecessors, (54), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 63 [2021-11-09 10:48:13,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:48:13,163 INFO L225 Difference]: With dead ends: 105 [2021-11-09 10:48:13,163 INFO L226 Difference]: Without dead ends: 105 [2021-11-09 10:48:13,164 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=227, Invalid=3195, Unknown=0, NotChecked=0, Total=3422 [2021-11-09 10:48:13,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-11-09 10:48:13,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 92. [2021-11-09 10:48:13,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 71 states have (on average 1.1690140845070423) internal successors, (83), 80 states have internal predecessors, (83), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:48:13,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 94 transitions. [2021-11-09 10:48:13,168 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 94 transitions. Word has length 63 [2021-11-09 10:48:13,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:48:13,168 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 94 transitions. [2021-11-09 10:48:13,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 29 states have (on average 1.8620689655172413) internal successors, (54), 27 states have internal predecessors, (54), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 10:48:13,169 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 94 transitions. [2021-11-09 10:48:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-09 10:48:13,170 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:48:13,170 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-09 10:48:13,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-09 10:48:13,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-11-09 10:48:13,384 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting mainErr6REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:48:13,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:48:13,384 INFO L85 PathProgramCache]: Analyzing trace with hash -2027488341, now seen corresponding path program 1 times [2021-11-09 10:48:13,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:48:13,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659246765] [2021-11-09 10:48:13,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:48:13,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:48:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:48:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:13,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:48:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:13,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-09 10:48:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:15,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-09 10:48:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:16,087 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:48:16,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:48:16,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659246765] [2021-11-09 10:48:16,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659246765] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:48:16,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300566788] [2021-11-09 10:48:16,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:48:16,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:48:16,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:48:16,090 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:48:16,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-09 10:48:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:16,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-09 10:48:16,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:48:16,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-09 10:48:16,535 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-09 10:48:16,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-09 10:48:16,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-09 10:48:16,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:48:16,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-09 10:48:16,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:48:16,881 INFO L354 Elim1Store]: treesize reduction 68, result has 21.8 percent of original size [2021-11-09 10:48:16,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 43 [2021-11-09 10:48:16,971 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [dll_create_~head~0.offset] [2021-11-09 10:48:16,971 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-09 10:48:16,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2021-11-09 10:48:16,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13203866] [2021-11-09 10:48:16,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-09 10:48:16,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:48:16,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-09 10:48:16,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1373, Unknown=0, NotChecked=0, Total=1482 [2021-11-09 10:48:16,973 INFO L87 Difference]: Start difference. First operand 92 states and 94 transitions. Second operand has 34 states, 30 states have (on average 1.8333333333333333) internal successors, (55), 29 states have internal predecessors, (55), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 10:48:20,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 10:48:20,077 INFO L93 Difference]: Finished difference Result 118 states and 123 transitions. [2021-11-09 10:48:20,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-09 10:48:20,077 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 30 states have (on average 1.8333333333333333) internal successors, (55), 29 states have internal predecessors, (55), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 64 [2021-11-09 10:48:20,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 10:48:20,079 INFO L225 Difference]: With dead ends: 118 [2021-11-09 10:48:20,079 INFO L226 Difference]: Without dead ends: 118 [2021-11-09 10:48:20,080 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 590 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=250, Invalid=3290, Unknown=0, NotChecked=0, Total=3540 [2021-11-09 10:48:20,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-11-09 10:48:20,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 94. [2021-11-09 10:48:20,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 73 states have (on average 1.1917808219178083) internal successors, (87), 82 states have internal predecessors, (87), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-09 10:48:20,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 98 transitions. [2021-11-09 10:48:20,084 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 98 transitions. Word has length 64 [2021-11-09 10:48:20,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 10:48:20,085 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 98 transitions. [2021-11-09 10:48:20,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 30 states have (on average 1.8333333333333333) internal successors, (55), 29 states have internal predecessors, (55), 4 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-09 10:48:20,085 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 98 transitions. [2021-11-09 10:48:20,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-09 10:48:20,086 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 10:48:20,086 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-09 10:48:20,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-11-09 10:48:20,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:48:20,296 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting mainErr7REQUIRES_VIOLATION === [dll_destroyErr0REQUIRES_VIOLATION, dll_destroyErr1REQUIRES_VIOLATION, dll_destroyErr2ASSERT_VIOLATIONMEMORY_FREE, dll_destroyErr3ASSERT_VIOLATIONMEMORY_FREE (and 41 more)] === [2021-11-09 10:48:20,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:48:20,296 INFO L85 PathProgramCache]: Analyzing trace with hash -2027488340, now seen corresponding path program 1 times [2021-11-09 10:48:20,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:48:20,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129825241] [2021-11-09 10:48:20,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:48:20,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:48:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:20,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-09 10:48:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:20,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-09 10:48:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:21,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-09 10:48:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:24,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-09 10:48:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:25,159 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:48:25,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:48:25,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129825241] [2021-11-09 10:48:25,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129825241] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 10:48:25,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315968882] [2021-11-09 10:48:25,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:48:25,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 10:48:25,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:48:25,160 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 10:48:25,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af52040a-5711-4b85-a79d-2b79f2ff85c4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-09 10:48:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:48:25,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-09 10:48:25,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:48:25,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-09 10:48:25,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2021-11-09 10:48:25,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-09 10:48:25,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:48:25,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-09 10:48:26,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-09 10:48:26,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-09 10:48:26,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:48:26,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-09 10:48:26,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:48:26,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-09 10:48:26,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:48:26,557 INFO L354 Elim1Store]: treesize reduction 92, result has 17.1 percent of original size [2021-11-09 10:48:26,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 149 treesize of output 112 [2021-11-09 10:48:26,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:48:26,581 INFO L354 Elim1Store]: treesize reduction 84, result has 18.4 percent of original size [2021-11-09 10:48:26,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 139 treesize of output 120 [2021-11-09 10:48:27,175 INFO L354 Elim1Store]: treesize reduction 68, result has 21.8 percent of original size [2021-11-09 10:48:27,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 38 [2021-11-09 10:48:27,582 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-09 10:48:27,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 103 [2021-11-09 10:48:27,594 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-09 10:48:27,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 61 [2021-11-09 10:48:27,605 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-09 10:48:27,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2021-11-09 10:49:55,711 WARN L207 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 384 DAG size of output: 111 [2021-11-09 10:49:55,712 INFO L354 Elim1Store]: treesize reduction 10453, result has 3.9 percent of original size [2021-11-09 10:49:55,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 30 case distinctions, treesize of input 126002 treesize of output 113015 [2021-11-09 10:50:07,899 WARN L207 SmtUtils]: Spent 10.67 s on a formula simplification. DAG size of input: 856 DAG size of output: 274 [2021-11-09 10:50:07,900 INFO L354 Elim1Store]: treesize reduction 12232, result has 7.8 percent of original size [2021-11-09 10:50:07,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 9 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 255241 treesize of output 184087 [2021-11-09 10:50:09,739 INFO L354 Elim1Store]: treesize reduction 204, result has 18.7 percent of original size [2021-11-09 10:50:09,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 279808 treesize of output 279791 [2021-11-09 10:50:11,750 INFO L354 Elim1Store]: treesize reduction 118, result has 32.6 percent of original size [2021-11-09 10:50:11,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 279807 treesize of output 279813 [2021-11-09 10:50:15,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:15,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:15,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:15,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:15,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:15,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:15,930 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:15,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 945 treesize of output 493 [2021-11-09 10:50:16,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:16,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:16,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:16,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:16,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:16,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:16,532 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:16,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 850 treesize of output 444 [2021-11-09 10:50:17,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:17,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:17,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:17,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:17,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:17,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:17,079 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:17,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 968 treesize of output 504 [2021-11-09 10:50:17,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:17,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:17,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:17,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:17,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:17,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:17,640 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:17,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 873 treesize of output 455 [2021-11-09 10:50:18,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:18,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:18,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:18,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:18,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:18,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:18,322 INFO L354 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2021-11-09 10:50:18,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 1063 treesize of output 579 [2021-11-09 10:50:19,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:19,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:19,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:19,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:19,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:19,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:19,809 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:19,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 968 treesize of output 504 [2021-11-09 10:50:20,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:20,525 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:20,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 1040 treesize of output 542 [2021-11-09 10:50:21,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:21,806 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:21,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 945 treesize of output 493 [2021-11-09 10:50:23,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:23,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:23,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:23,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:23,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:23,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:23,042 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:23,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 873 treesize of output 455 [2021-11-09 10:50:23,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:23,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:23,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:23,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:23,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:23,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:23,577 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:23,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 968 treesize of output 504 [2021-11-09 10:50:24,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:24,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:24,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:24,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:24,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:24,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:24,090 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:24,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 945 treesize of output 493 [2021-11-09 10:50:24,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:24,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:24,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:24,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:24,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:24,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:24,629 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:24,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 850 treesize of output 444 [2021-11-09 10:50:25,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,291 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:25,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 778 treesize of output 406 [2021-11-09 10:50:25,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:25,899 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:25,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 873 treesize of output 455 [2021-11-09 10:50:26,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:26,500 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:26,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 755 treesize of output 395 [2021-11-09 10:50:27,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:27,050 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:27,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 850 treesize of output 444 [2021-11-09 10:50:29,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:29,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:29,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:29,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:29,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:29,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:29,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:29,302 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:29,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 968 treesize of output 496 [2021-11-09 10:50:29,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:29,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:29,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:29,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:29,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:29,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:29,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:29,806 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:29,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 873 treesize of output 447 [2021-11-09 10:50:30,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:30,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:30,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:30,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:30,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:30,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:30,435 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:30,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 991 treesize of output 507 [2021-11-09 10:50:30,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:30,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:30,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:30,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:30,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:30,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:30,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:30,917 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:30,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 896 treesize of output 458 [2021-11-09 10:50:31,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:31,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:31,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:31,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:31,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:31,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:31,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:31,460 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:31,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 873 treesize of output 447 [2021-11-09 10:50:31,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:31,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:31,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:31,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:31,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:31,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:31,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:31,969 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:31,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 778 treesize of output 398 [2021-11-09 10:50:32,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:32,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:32,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:32,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:32,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:32,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:32,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:32,446 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:32,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 896 treesize of output 458 [2021-11-09 10:50:32,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:32,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:32,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:32,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:32,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:33,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,026 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:33,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 801 treesize of output 409 [2021-11-09 10:50:33,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:33,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:33,793 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:33,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 968 treesize of output 496 [2021-11-09 10:50:34,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,269 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:34,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 873 treesize of output 447 [2021-11-09 10:50:34,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:34,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:34,915 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:34,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 991 treesize of output 507 [2021-11-09 10:50:35,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:35,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:35,425 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:35,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 896 treesize of output 458 [2021-11-09 10:50:36,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:36,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:36,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:36,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:36,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:36,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:36,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:36,116 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:36,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 968 treesize of output 496 [2021-11-09 10:50:36,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:36,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:36,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:36,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:36,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:36,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:36,606 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-09 10:50:36,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 1063 treesize of output 545 [2021-11-09 10:50:38,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:38,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:38,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:38,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:38,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:38,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:38,294 INFO L354 Elim1Store]: treesize reduction 45, result has 21.1 percent of original size [2021-11-09 10:50:38,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 11 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 5 case distinctions, treesize of input 1086 treesize of output 568 [2021-11-09 10:50:39,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:39,650 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:39,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 991 treesize of output 507 [2021-11-09 10:50:43,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:43,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,088 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:43,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 896 treesize of output 458 [2021-11-09 10:50:43,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:43,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:43,581 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:43,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 801 treesize of output 409 [2021-11-09 10:50:44,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:44,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,070 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:44,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 778 treesize of output 398 [2021-11-09 10:50:44,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:44,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:44,513 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:44,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 873 treesize of output 447 [2021-11-09 10:50:45,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:45,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,160 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:45,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 873 treesize of output 447 [2021-11-09 10:50:45,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:45,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:45,732 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:45,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 968 treesize of output 496 [2021-11-09 10:50:46,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:46,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,231 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:46,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 991 treesize of output 507 [2021-11-09 10:50:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:46,782 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:46,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 896 treesize of output 458 [2021-11-09 10:50:47,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:47,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,474 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:47,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 873 treesize of output 447 [2021-11-09 10:50:47,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:47,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:47,905 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:47,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 778 treesize of output 398 [2021-11-09 10:50:48,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:48,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,424 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:48,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 896 treesize of output 458 [2021-11-09 10:50:48,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:48,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:48,829 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:48,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 801 treesize of output 409 [2021-11-09 10:50:49,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:49,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:49,416 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:49,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 778 treesize of output 398 [2021-11-09 10:50:50,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:50,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:50,445 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:50,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 683 treesize of output 349 [2021-11-09 10:50:51,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:51,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:51,238 INFO L354 Elim1Store]: treesize reduction 35, result has 25.5 percent of original size [2021-11-09 10:50:51,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 801 treesize of output 421 [2021-11-09 10:50:52,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:52,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:52,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:52,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:52,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:50:52,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:52,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:52,338 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:52,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 706 treesize of output 360 [2021-11-09 10:50:55,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:55,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:55,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:55,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:55,269 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:55,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 945 treesize of output 493 [2021-11-09 10:50:55,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:55,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:55,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:55,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:55,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:55,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:55,812 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:55,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 850 treesize of output 444 [2021-11-09 10:50:56,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:56,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:56,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:56,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:56,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:56,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:56,392 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:56,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 968 treesize of output 504 [2021-11-09 10:50:56,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:56,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:57,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:57,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:57,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:57,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:57,040 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:57,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 873 treesize of output 455 [2021-11-09 10:50:57,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:57,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:57,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:57,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:57,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:57,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:57,777 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:57,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 778 treesize of output 406 [2021-11-09 10:50:58,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:58,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:58,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:58,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:58,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:58,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:58,257 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:50:58,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 873 treesize of output 455 [2021-11-09 10:50:58,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:58,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:58,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:58,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:58,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:58,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:58,796 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:58,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 850 treesize of output 444 [2021-11-09 10:50:59,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:59,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:59,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:59,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:59,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:59,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:50:59,375 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:50:59,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 755 treesize of output 395 [2021-11-09 10:51:00,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,175 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:00,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 850 treesize of output 444 [2021-11-09 10:51:00,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:00,702 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:00,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 755 treesize of output 395 [2021-11-09 10:51:01,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:01,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:01,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:01,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:01,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:01,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:01,340 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:01,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 778 treesize of output 406 [2021-11-09 10:51:01,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:01,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:01,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:01,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:01,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:01,808 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:01,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 873 treesize of output 455 [2021-11-09 10:51:02,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:02,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:02,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:02,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:02,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:02,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:02,420 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:02,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 660 treesize of output 346 [2021-11-09 10:51:02,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:02,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:02,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:02,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:02,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:02,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:02,758 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:02,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 755 treesize of output 395 [2021-11-09 10:51:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:04,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:04,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:04,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:04,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:04,216 INFO L354 Elim1Store]: treesize reduction 35, result has 25.5 percent of original size [2021-11-09 10:51:04,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 778 treesize of output 418 [2021-11-09 10:51:05,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:05,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:05,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:05,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:05,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:05,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:05,427 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:05,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 683 treesize of output 357 [2021-11-09 10:51:08,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:08,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:08,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:08,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:08,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:08,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:08,862 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:08,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 755 treesize of output 395 [2021-11-09 10:51:09,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:09,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:09,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:09,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:09,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:09,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:09,382 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:09,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 850 treesize of output 444 [2021-11-09 10:51:09,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:09,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:09,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:09,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:09,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:09,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:09,902 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:09,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 873 treesize of output 455 [2021-11-09 10:51:10,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:10,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:10,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:10,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:10,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:10,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:10,425 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:10,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 778 treesize of output 406 [2021-11-09 10:51:10,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:10,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:10,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:10,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:10,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:10,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:10,945 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:10,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 755 treesize of output 395 [2021-11-09 10:51:11,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:11,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:11,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:11,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:11,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:11,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:11,331 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:11,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 660 treesize of output 346 [2021-11-09 10:51:11,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:11,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:11,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:11,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:11,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:11,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:11,900 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:11,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 683 treesize of output 357 [2021-11-09 10:51:12,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:12,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:12,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:12,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:12,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:12,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:12,380 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:12,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 778 treesize of output 406 [2021-11-09 10:51:13,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,061 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:13,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 873 treesize of output 455 [2021-11-09 10:51:13,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,501 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:13,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 778 treesize of output 406 [2021-11-09 10:51:13,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:13,990 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:13,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 850 treesize of output 444 [2021-11-09 10:51:14,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:14,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:14,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:14,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:14,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:14,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:14,518 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:14,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 755 treesize of output 395 [2021-11-09 10:51:15,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:15,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:15,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:15,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:15,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:15,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:15,115 INFO L354 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2021-11-09 10:51:15,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 873 treesize of output 477 [2021-11-09 10:51:16,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:16,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:16,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:16,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:16,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:16,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:16,230 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:16,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 968 treesize of output 504 [2021-11-09 10:51:16,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:16,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:16,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:16,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:16,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:16,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:16,936 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:16,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 850 treesize of output 444 [2021-11-09 10:51:17,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:17,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:17,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:17,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:17,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:17,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:17,804 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:17,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 945 treesize of output 493 [2021-11-09 10:51:20,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:20,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:20,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:20,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:20,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:20,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:20,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:20,070 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:20,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 896 treesize of output 458 [2021-11-09 10:51:20,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:20,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:20,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:20,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:20,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:20,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:20,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:20,615 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:20,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 991 treesize of output 507 [2021-11-09 10:51:21,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:21,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:21,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:21,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:21,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:21,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:21,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:21,137 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:21,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 968 treesize of output 496 [2021-11-09 10:51:21,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:21,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:21,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:21,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:21,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:21,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:21,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:21,580 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:21,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 873 treesize of output 447 [2021-11-09 10:51:22,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:22,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:22,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:22,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:22,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:22,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:22,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:22,124 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:22,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 896 treesize of output 458 [2021-11-09 10:51:22,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:22,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:22,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:22,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:22,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:22,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:22,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:22,644 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:22,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 801 treesize of output 409 [2021-11-09 10:51:23,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:23,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:23,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:23,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:23,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:23,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:23,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:23,197 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:23,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 873 treesize of output 447 [2021-11-09 10:51:23,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:23,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:23,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:23,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:23,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:23,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:23,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:23,770 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:23,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 778 treesize of output 398 [2021-11-09 10:51:24,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:24,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:24,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:24,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:24,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:24,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:24,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:24,442 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:24,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 896 treesize of output 458 [2021-11-09 10:51:24,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:24,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:24,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:24,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:24,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:24,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:24,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:24,876 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:24,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 801 treesize of output 409 [2021-11-09 10:51:25,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:25,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:25,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:25,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:25,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:25,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:25,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:25,474 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:25,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 873 treesize of output 447 [2021-11-09 10:51:25,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:25,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:25,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:25,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:25,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:25,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:25,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:26,015 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:26,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 778 treesize of output 398 [2021-11-09 10:51:26,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:26,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:26,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:26,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:26,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:26,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:26,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:26,678 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:26,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 778 treesize of output 398 [2021-11-09 10:51:27,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:27,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:27,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:27,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:27,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:27,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:27,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:27,097 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:27,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 683 treesize of output 349 [2021-11-09 10:51:27,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:27,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:27,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:27,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:27,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:27,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:27,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:27,615 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:27,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 801 treesize of output 409 [2021-11-09 10:51:28,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:28,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:28,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:28,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:28,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:28,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:28,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:28,100 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:28,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 706 treesize of output 360 [2021-11-09 10:51:30,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:30,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:30,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:30,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:30,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:30,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:30,089 INFO L354 Elim1Store]: treesize reduction 44, result has 6.4 percent of original size [2021-11-09 10:51:30,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 588 treesize of output 311 [2021-11-09 10:51:30,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:30,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:30,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:30,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:30,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:30,766 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:30,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 683 treesize of output 357 [2021-11-09 10:51:31,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:31,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:31,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:31,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:31,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:31,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:31,331 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:31,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 565 treesize of output 297 [2021-11-09 10:51:31,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:31,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:31,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:31,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:31,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:31,797 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:31,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 660 treesize of output 346 [2021-11-09 10:51:32,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:32,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:32,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:32,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:32,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:32,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:32,417 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:32,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 778 treesize of output 406 [2021-11-09 10:51:32,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:32,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:32,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:32,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:32,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:32,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:32,924 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:32,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 683 treesize of output 357 [2021-11-09 10:51:33,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:33,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:33,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:33,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:33,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:33,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:33,589 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:33,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 660 treesize of output 346 [2021-11-09 10:51:34,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:34,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:34,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:34,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:34,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:34,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:34,105 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:34,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 755 treesize of output 395 [2021-11-09 10:51:34,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:34,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:34,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:34,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:34,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:34,793 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:34,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 778 treesize of output 406 [2021-11-09 10:51:35,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:35,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:35,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:35,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:35,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:35,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:35,321 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:35,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 683 treesize of output 357 [2021-11-09 10:51:35,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:35,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:35,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:35,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:35,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:35,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:35,946 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:35,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 755 treesize of output 395 [2021-11-09 10:51:36,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:36,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:36,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:36,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:36,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:36,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:36,483 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:36,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 660 treesize of output 346 [2021-11-09 10:51:37,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:37,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:37,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:37,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:37,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:37,115 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:37,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 778 treesize of output 406 [2021-11-09 10:51:37,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:37,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:37,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:37,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:37,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:37,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:37,620 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:37,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 873 treesize of output 455 [2021-11-09 10:51:38,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:38,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:38,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:38,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:38,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:38,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:38,262 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:38,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 850 treesize of output 444 [2021-11-09 10:51:38,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:38,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:38,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:38,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:38,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:38,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:38,848 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:38,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 755 treesize of output 395 [2021-11-09 10:51:40,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:40,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:40,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:40,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:40,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:40,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:40,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:40,652 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:40,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 706 treesize of output 360 [2021-11-09 10:51:41,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:41,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,098 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:41,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 801 treesize of output 409 [2021-11-09 10:51:41,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:41,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,538 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:41,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 683 treesize of output 349 [2021-11-09 10:51:41,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:41,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:41,977 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:41,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 778 treesize of output 398 [2021-11-09 10:51:42,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:42,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:42,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:42,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:42,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:42,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:42,559 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:42,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 706 treesize of output 360 [2021-11-09 10:51:43,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:43,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:43,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:43,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:43,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:43,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:43,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:43,062 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:43,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 611 treesize of output 311 [2021-11-09 10:51:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:43,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:43,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:43,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:43,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:43,643 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:43,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 683 treesize of output 349 [2021-11-09 10:51:44,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:44,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:44,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:44,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:44,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:44,148 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:44,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 588 treesize of output 300 [2021-11-09 10:51:44,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:44,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:44,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:44,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:44,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:44,857 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:44,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 801 treesize of output 409 [2021-11-09 10:51:45,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:45,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:45,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:45,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:45,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:45,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:45,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:45,272 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:45,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 896 treesize of output 458 [2021-11-09 10:51:45,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:45,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:45,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:45,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:45,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:45,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:45,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:45,786 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:45,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 778 treesize of output 398 [2021-11-09 10:51:46,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:46,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:46,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:46,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:46,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:46,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:46,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:46,222 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:46,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 873 treesize of output 447 [2021-11-09 10:51:46,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:46,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:46,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:46,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:46,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:46,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:46,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:46,885 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:46,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 706 treesize of output 360 [2021-11-09 10:51:47,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:47,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:47,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:47,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:47,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:47,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:47,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:47,391 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-11-09 10:51:47,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 801 treesize of output 409 [2021-11-09 10:51:48,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:48,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:48,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:48,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:48,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:48,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:48,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:48,055 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:48,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 778 treesize of output 398 [2021-11-09 10:51:48,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:48,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:48,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:48,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:48,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-09 10:51:48,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:48,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:48,446 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-09 10:51:48,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 683 treesize of output 349 [2021-11-09 10:51:49,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:49,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:49,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:49,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:49,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:49,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:49,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:50,255 INFO L354 Elim1Store]: treesize reduction 72, result has 67.7 percent of original size [2021-11-09 10:51:50,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 12 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 2101 treesize of output 2059 [2021-11-09 10:51:51,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:51,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:51,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:51,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:51,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:51,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:51,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:52,111 INFO L354 Elim1Store]: treesize reduction 58, result has 74.0 percent of original size [2021-11-09 10:51:52,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 12 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 1912 treesize of output 1884 [2021-11-09 10:51:54,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:54,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:54,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:54,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:54,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:54,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:54,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:55,069 INFO L354 Elim1Store]: treesize reduction 82, result has 74.3 percent of original size [2021-11-09 10:51:55,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 12 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 1783 treesize of output 1581 [2021-11-09 10:51:55,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:55,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:55,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:55,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:56,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:56,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:56,086 INFO L354 Elim1Store]: treesize reduction 34, result has 40.4 percent of original size [2021-11-09 10:51:56,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 11 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 5 case distinctions, treesize of input 1489 treesize of output 1119 [2021-11-09 10:51:56,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:56,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:56,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:56,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:56,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:56,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:56,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:56,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 10:51:57,072 INFO L354 Elim1Store]: treesize reduction 276, result has 46.8 percent of original size [2021-11-09 10:51:57,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 11 disjoint index pairs (out of 36 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 1772 treesize of output 1211 [2021-11-09 11:00:26,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 11:00:26,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 11:00:26,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 11:00:26,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 11:00:26,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 11:00:26,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-09 11:00:26,829 INFO L354 Elim1Store]: treesize reduction 674, result has 15.6 percent of original size [2021-11-09 11:00:26,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 29 case distinctions, treesize of input 26292 treesize of output 18250