./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_14-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_14-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer --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 7dd19b8066311da8c1eb1c6a0e6567bb02c0b787 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_14-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer --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 7dd19b8066311da8c1eb1c6a0e6567bb02c0b787 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:30:35,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:30:35,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:30:35,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:30:35,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:30:35,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:30:35,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:30:35,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:30:35,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:30:35,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:30:35,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:30:35,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:30:35,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:30:35,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:30:35,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:30:35,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:30:35,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:30:35,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:30:35,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:30:35,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:30:35,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:30:35,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:30:35,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:30:35,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:30:35,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:30:35,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:30:35,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:30:35,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:30:35,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:30:35,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:30:35,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:30:35,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:30:35,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:30:35,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:30:35,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:30:35,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:30:35,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:30:35,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:30:35,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:30:35,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:30:35,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:30:35,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-29 21:30:35,827 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:30:35,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:30:35,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:30:35,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:30:35,829 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:30:35,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:30:35,830 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:30:35,830 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 21:30:35,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:30:35,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:30:35,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:30:35,831 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 21:30:35,831 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 21:30:35,831 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 21:30:35,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:30:35,832 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 21:30:35,832 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:30:35,832 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:30:35,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:30:35,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:30:35,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:30:35,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:30:35,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:30:35,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:30:35,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:30:35,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:30:35,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:30:35,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:30:35,834 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-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dd19b8066311da8c1eb1c6a0e6567bb02c0b787 [2020-11-29 21:30:36,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:30:36,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:30:36,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:30:36,161 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:30:36,162 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:30:36,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/../../sv-benchmarks/c/locks/test_locks_14-2.c [2020-11-29 21:30:36,237 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/data/d2e86d379/ffae8975f9274e859f811ed6ebd4a237/FLAG705ee79a8 [2020-11-29 21:30:36,787 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:30:36,787 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/sv-benchmarks/c/locks/test_locks_14-2.c [2020-11-29 21:30:36,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/data/d2e86d379/ffae8975f9274e859f811ed6ebd4a237/FLAG705ee79a8 [2020-11-29 21:30:37,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/data/d2e86d379/ffae8975f9274e859f811ed6ebd4a237 [2020-11-29 21:30:37,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:30:37,128 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 21:30:37,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:30:37,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:30:37,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:30:37,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:30:37" (1/1) ... [2020-11-29 21:30:37,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dac4db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:37, skipping insertion in model container [2020-11-29 21:30:37,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:30:37" (1/1) ... [2020-11-29 21:30:37,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:30:37,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:30:37,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:30:37,480 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:30:37,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:30:37,580 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:30:37,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:37 WrapperNode [2020-11-29 21:30:37,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:30:37,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:30:37,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:30:37,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:30:37,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:37" (1/1) ... [2020-11-29 21:30:37,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:37" (1/1) ... [2020-11-29 21:30:37,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:37" (1/1) ... [2020-11-29 21:30:37,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:37" (1/1) ... [2020-11-29 21:30:37,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:37" (1/1) ... [2020-11-29 21:30:37,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:37" (1/1) ... [2020-11-29 21:30:37,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:37" (1/1) ... [2020-11-29 21:30:37,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:30:37,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:30:37,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:30:37,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:30:37,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:30:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-29 21:30:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:30:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-29 21:30:37,743 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-29 21:30:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-29 21:30:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-29 21:30:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-29 21:30:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:30:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-29 21:30:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-29 21:30:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-29 21:30:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:30:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:30:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 21:30:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 21:30:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 21:30:38,384 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:30:38,384 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-29 21:30:38,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:30:38 BoogieIcfgContainer [2020-11-29 21:30:38,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:30:38,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:30:38,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:30:38,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:30:38,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:30:37" (1/3) ... [2020-11-29 21:30:38,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c7da43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:30:38, skipping insertion in model container [2020-11-29 21:30:38,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:37" (2/3) ... [2020-11-29 21:30:38,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c7da43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:30:38, skipping insertion in model container [2020-11-29 21:30:38,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:30:38" (3/3) ... [2020-11-29 21:30:38,409 INFO L111 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.c [2020-11-29 21:30:38,433 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:30:38,453 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-29 21:30:38,469 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-29 21:30:38,497 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:30:38,498 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-29 21:30:38,498 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:30:38,498 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:30:38,498 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:30:38,498 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:30:38,499 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:30:38,499 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:30:38,518 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-11-29 21:30:38,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 21:30:38,528 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:38,529 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:30:38,529 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-11-29 21:30:38,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:38,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1491239536, now seen corresponding path program 1 times [2020-11-29 21:30:38,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:30:38,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52446857] [2020-11-29 21:30:38,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:30:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:38,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-29 21:30:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:38,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:30:38,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52446857] [2020-11-29 21:30:38,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:30:38,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:30:38,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792558684] [2020-11-29 21:30:38,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:30:38,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:30:38,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:30:38,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:30:38,940 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 3 states. [2020-11-29 21:30:39,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:30:39,010 INFO L93 Difference]: Finished difference Result 58 states and 99 transitions. [2020-11-29 21:30:39,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:30:39,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-29 21:30:39,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:30:39,024 INFO L225 Difference]: With dead ends: 58 [2020-11-29 21:30:39,024 INFO L226 Difference]: Without dead ends: 53 [2020-11-29 21:30:39,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:30:39,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-29 21:30:39,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-29 21:30:39,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-29 21:30:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 94 transitions. [2020-11-29 21:30:39,078 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 94 transitions. Word has length 9 [2020-11-29 21:30:39,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:30:39,079 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 94 transitions. [2020-11-29 21:30:39,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:30:39,080 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2020-11-29 21:30:39,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:30:39,082 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:39,082 INFO L422 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] [2020-11-29 21:30:39,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 21:30:39,083 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-11-29 21:30:39,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:39,085 INFO L82 PathProgramCache]: Analyzing trace with hash -590778745, now seen corresponding path program 1 times [2020-11-29 21:30:39,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:30:39,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236858622] [2020-11-29 21:30:39,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:30:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:39,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-29 21:30:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:30:39,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236858622] [2020-11-29 21:30:39,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:30:39,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 21:30:39,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440532244] [2020-11-29 21:30:39,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 21:30:39,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:30:39,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 21:30:39,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:30:39,395 INFO L87 Difference]: Start difference. First operand 53 states and 94 transitions. Second operand 4 states. [2020-11-29 21:30:39,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:30:39,860 INFO L93 Difference]: Finished difference Result 97 states and 177 transitions. [2020-11-29 21:30:39,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 21:30:39,861 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-11-29 21:30:39,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:30:39,864 INFO L225 Difference]: With dead ends: 97 [2020-11-29 21:30:39,865 INFO L226 Difference]: Without dead ends: 97 [2020-11-29 21:30:39,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:30:39,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-11-29 21:30:39,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2020-11-29 21:30:39,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-11-29 21:30:39,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 176 transitions. [2020-11-29 21:30:39,905 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 176 transitions. Word has length 26 [2020-11-29 21:30:39,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:30:39,906 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 176 transitions. [2020-11-29 21:30:39,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 21:30:39,906 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 176 transitions. [2020-11-29 21:30:39,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:30:39,907 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:39,907 INFO L422 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] [2020-11-29 21:30:39,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 21:30:39,908 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-11-29 21:30:39,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:39,917 INFO L82 PathProgramCache]: Analyzing trace with hash -591001697, now seen corresponding path program 1 times [2020-11-29 21:30:39,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:30:39,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467116008] [2020-11-29 21:30:39,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:30:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:40,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-29 21:30:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:40,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:30:40,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467116008] [2020-11-29 21:30:40,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:30:40,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 21:30:40,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533300552] [2020-11-29 21:30:40,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 21:30:40,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:30:40,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 21:30:40,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:30:40,099 INFO L87 Difference]: Start difference. First operand 96 states and 176 transitions. Second operand 4 states. [2020-11-29 21:30:40,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:30:40,454 INFO L93 Difference]: Finished difference Result 97 states and 177 transitions. [2020-11-29 21:30:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 21:30:40,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-11-29 21:30:40,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:30:40,458 INFO L225 Difference]: With dead ends: 97 [2020-11-29 21:30:40,459 INFO L226 Difference]: Without dead ends: 97 [2020-11-29 21:30:40,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:30:40,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-11-29 21:30:40,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-11-29 21:30:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-11-29 21:30:40,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 177 transitions. [2020-11-29 21:30:40,486 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 177 transitions. Word has length 26 [2020-11-29 21:30:40,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:30:40,486 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 177 transitions. [2020-11-29 21:30:40,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 21:30:40,487 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 177 transitions. [2020-11-29 21:30:40,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:30:40,489 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:40,489 INFO L422 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] [2020-11-29 21:30:40,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 21:30:40,490 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-11-29 21:30:40,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:40,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1710043845, now seen corresponding path program 1 times [2020-11-29 21:30:40,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:30:40,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381226212] [2020-11-29 21:30:40,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:30:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:30:40,562 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:30:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:30:40,606 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:30:40,643 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:30:40,645 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 21:30:40,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 21:30:40,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 09:30:40 BoogieIcfgContainer [2020-11-29 21:30:40,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 21:30:40,739 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:30:40,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:30:40,739 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:30:40,740 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:30:38" (3/4) ... [2020-11-29 21:30:40,745 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 21:30:40,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:30:40,749 INFO L168 Benchmark]: Toolchain (without parser) took 3618.22 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 60.8 MB in the beginning and 43.0 MB in the end (delta: 17.8 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:40,750 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 71.3 MB. Free memory was 33.9 MB in the beginning and 33.8 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:30:40,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.95 ms. Allocated memory is still 90.2 MB. Free memory was 60.5 MB in the beginning and 66.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:40,752 INFO L168 Benchmark]: Boogie Preprocessor took 54.81 ms. Allocated memory is still 90.2 MB. Free memory was 66.9 MB in the beginning and 65.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:40,754 INFO L168 Benchmark]: RCFGBuilder took 748.76 ms. Allocated memory is still 90.2 MB. Free memory was 65.1 MB in the beginning and 40.9 MB in the end (delta: 24.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:40,758 INFO L168 Benchmark]: TraceAbstraction took 2347.19 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 40.5 MB in the beginning and 43.0 MB in the end (delta: -2.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:40,762 INFO L168 Benchmark]: Witness Printer took 6.34 ms. Allocated memory is still 111.1 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:30:40,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 71.3 MB. Free memory was 33.9 MB in the beginning and 33.8 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 447.95 ms. Allocated memory is still 90.2 MB. Free memory was 60.5 MB in the beginning and 66.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.81 ms. Allocated memory is still 90.2 MB. Free memory was 66.9 MB in the beginning and 65.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 748.76 ms. Allocated memory is still 90.2 MB. Free memory was 65.1 MB in the beginning and 40.9 MB in the end (delta: 24.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2347.19 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 40.5 MB in the beginning and 43.0 MB in the end (delta: -2.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * Witness Printer took 6.34 ms. Allocated memory is still 111.1 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 3. Possible FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L51] int cond; VAL [p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L53] COND TRUE 1 [L54] cond = __VERIFIER_nondet_int() [L55] COND FALSE !(cond == 0) [L58] lk1 = 0 [L60] lk2 = 0 [L62] lk3 = 0 [L64] lk4 = 0 [L66] lk5 = 0 [L68] lk6 = 0 [L70] lk7 = 0 [L72] lk8 = 0 [L74] lk9 = 0 [L76] lk10 = 0 [L78] lk11 = 0 [L80] lk12 = 0 [L82] lk13 = 0 [L84] lk14 = 0 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L88] COND FALSE !(p1 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L92] COND FALSE !(p2 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L96] COND TRUE p3 != 0 [L97] lk3 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L100] COND TRUE p4 != 0 [L101] lk4 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L104] COND TRUE p5 != 0 [L105] lk5 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L108] COND TRUE p6 != 0 [L109] lk6 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L112] COND TRUE p7 != 0 [L113] lk7 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L116] COND TRUE p8 != 0 [L117] lk8 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=0, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L120] COND TRUE p9 != 0 [L121] lk9 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L124] COND FALSE !(p10 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L128] COND TRUE p11 != 0 [L129] lk11 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L132] COND TRUE p12 != 0 [L133] lk12 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L136] COND TRUE p13 != 0 [L137] lk13 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L140] COND TRUE p14 != 0 [L141] lk14 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L146] COND FALSE !(p1 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L151] COND FALSE !(p2 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=6, p12=-4, p13=1, p14=1, p2=0, p3=-2, p4=-5, p5=-6, p6=-1, p7=1, p8=-3, p9=1] [L219] CALL reach_error() [L3] __assert_fail("0", "test_locks_14-2.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 62 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 336 SDtfs, 404 SDslu, 17 SDs, 0 SdLazy, 183 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 4854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:30:43,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:30:43,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:30:43,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:30:43,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:30:43,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:30:43,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:30:43,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:30:43,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:30:43,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:30:43,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:30:43,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:30:43,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:30:43,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:30:43,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:30:43,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:30:43,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:30:43,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:30:43,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:30:43,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:30:43,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:30:43,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:30:43,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:30:43,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:30:43,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:30:43,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:30:43,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:30:43,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:30:43,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:30:43,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:30:43,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:30:43,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:30:43,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:30:43,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:30:43,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:30:43,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:30:43,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:30:43,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:30:43,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:30:43,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:30:43,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:30:43,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-29 21:30:43,799 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:30:43,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:30:43,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:30:43,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:30:43,803 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:30:43,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:30:43,804 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:30:43,805 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 21:30:43,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:30:43,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:30:43,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:30:43,807 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 21:30:43,808 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 21:30:43,808 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 21:30:43,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:30:43,809 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 21:30:43,810 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 21:30:43,810 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 21:30:43,811 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:30:43,811 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:30:43,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:30:43,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:30:43,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:30:43,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:30:43,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:30:43,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:30:43,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:30:43,814 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 21:30:43,814 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 21:30:43,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:30:43,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 21:30:43,816 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dd19b8066311da8c1eb1c6a0e6567bb02c0b787 [2020-11-29 21:30:44,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:30:44,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:30:44,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:30:44,293 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:30:44,294 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:30:44,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/../../sv-benchmarks/c/locks/test_locks_14-2.c [2020-11-29 21:30:44,381 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/data/f3f1ece9d/d9efe21fbf1c4a6aaa35e17f6743ae49/FLAGd54a52590 [2020-11-29 21:30:44,982 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:30:44,983 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/sv-benchmarks/c/locks/test_locks_14-2.c [2020-11-29 21:30:44,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/data/f3f1ece9d/d9efe21fbf1c4a6aaa35e17f6743ae49/FLAGd54a52590 [2020-11-29 21:30:45,301 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/data/f3f1ece9d/d9efe21fbf1c4a6aaa35e17f6743ae49 [2020-11-29 21:30:45,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:30:45,306 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 21:30:45,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:30:45,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:30:45,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:30:45,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:30:45" (1/1) ... [2020-11-29 21:30:45,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2407c01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:45, skipping insertion in model container [2020-11-29 21:30:45,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:30:45" (1/1) ... [2020-11-29 21:30:45,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:30:45,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:30:45,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:30:45,586 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:30:45,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:30:45,704 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:30:45,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:45 WrapperNode [2020-11-29 21:30:45,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:30:45,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:30:45,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:30:45,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:30:45,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:45" (1/1) ... [2020-11-29 21:30:45,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:45" (1/1) ... [2020-11-29 21:30:45,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:45" (1/1) ... [2020-11-29 21:30:45,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:45" (1/1) ... [2020-11-29 21:30:45,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:45" (1/1) ... [2020-11-29 21:30:45,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:45" (1/1) ... [2020-11-29 21:30:45,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:45" (1/1) ... [2020-11-29 21:30:45,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:30:45,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:30:45,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:30:45,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:30:45,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:30:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-29 21:30:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:30:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-29 21:30:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-29 21:30:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-29 21:30:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-29 21:30:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-29 21:30:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:30:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-29 21:30:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-29 21:30:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-29 21:30:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 21:30:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:30:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-29 21:30:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-29 21:30:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 21:30:46,788 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:30:46,788 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-29 21:30:46,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:30:46 BoogieIcfgContainer [2020-11-29 21:30:46,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:30:46,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:30:46,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:30:46,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:30:46,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:30:45" (1/3) ... [2020-11-29 21:30:46,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc42886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:30:46, skipping insertion in model container [2020-11-29 21:30:46,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:30:45" (2/3) ... [2020-11-29 21:30:46,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc42886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:30:46, skipping insertion in model container [2020-11-29 21:30:46,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:30:46" (3/3) ... [2020-11-29 21:30:46,801 INFO L111 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.c [2020-11-29 21:30:46,815 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:30:46,821 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-29 21:30:46,837 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-29 21:30:46,862 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:30:46,863 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-29 21:30:46,863 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:30:46,863 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:30:46,863 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:30:46,864 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:30:46,864 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:30:46,864 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:30:46,882 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-11-29 21:30:46,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 21:30:46,891 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:46,892 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:30:46,893 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-11-29 21:30:46,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:46,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1491239536, now seen corresponding path program 1 times [2020-11-29 21:30:46,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 21:30:46,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865584081] [2020-11-29 21:30:46,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 21:30:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:47,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 21:30:47,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:30:47,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:30:47,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 21:30:47,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:30:47,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865584081] [2020-11-29 21:30:47,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:30:47,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 21:30:47,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397597600] [2020-11-29 21:30:47,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 21:30:47,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 21:30:47,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 21:30:47,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:30:47,139 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-11-29 21:30:47,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:30:47,158 INFO L93 Difference]: Finished difference Result 58 states and 99 transitions. [2020-11-29 21:30:47,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 21:30:47,159 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-29 21:30:47,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:30:47,170 INFO L225 Difference]: With dead ends: 58 [2020-11-29 21:30:47,170 INFO L226 Difference]: Without dead ends: 53 [2020-11-29 21:30:47,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:30:47,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-29 21:30:47,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-29 21:30:47,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-29 21:30:47,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 94 transitions. [2020-11-29 21:30:47,221 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 94 transitions. Word has length 9 [2020-11-29 21:30:47,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:30:47,222 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 94 transitions. [2020-11-29 21:30:47,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 21:30:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2020-11-29 21:30:47,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:30:47,224 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:47,224 INFO L422 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] [2020-11-29 21:30:47,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 21:30:47,441 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-11-29 21:30:47,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:47,442 INFO L82 PathProgramCache]: Analyzing trace with hash -590778745, now seen corresponding path program 1 times [2020-11-29 21:30:47,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 21:30:47,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180106004] [2020-11-29 21:30:47,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 21:30:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:47,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:30:47,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:30:47,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:30:47,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 21:30:47,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:30:47,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180106004] [2020-11-29 21:30:47,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:30:47,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-29 21:30:47,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708481534] [2020-11-29 21:30:47,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:30:47,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 21:30:47,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:30:47,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:30:47,631 INFO L87 Difference]: Start difference. First operand 53 states and 94 transitions. Second operand 3 states. [2020-11-29 21:30:47,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:30:47,695 INFO L93 Difference]: Finished difference Result 97 states and 177 transitions. [2020-11-29 21:30:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:30:47,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-29 21:30:47,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:30:47,700 INFO L225 Difference]: With dead ends: 97 [2020-11-29 21:30:47,700 INFO L226 Difference]: Without dead ends: 97 [2020-11-29 21:30:47,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:30:47,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-11-29 21:30:47,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2020-11-29 21:30:47,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-11-29 21:30:47,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 176 transitions. [2020-11-29 21:30:47,721 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 176 transitions. Word has length 26 [2020-11-29 21:30:47,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:30:47,722 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 176 transitions. [2020-11-29 21:30:47,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:30:47,722 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 176 transitions. [2020-11-29 21:30:47,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:30:47,724 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:47,724 INFO L422 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] [2020-11-29 21:30:47,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 21:30:47,942 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-11-29 21:30:47,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:47,952 INFO L82 PathProgramCache]: Analyzing trace with hash -591001697, now seen corresponding path program 1 times [2020-11-29 21:30:47,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 21:30:47,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [298341904] [2020-11-29 21:30:47,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-29 21:30:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:48,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:30:48,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:30:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:30:48,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 21:30:48,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:30:48,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [298341904] [2020-11-29 21:30:48,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:30:48,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-29 21:30:48,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128425948] [2020-11-29 21:30:48,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:30:48,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 21:30:48,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:30:48,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:30:48,131 INFO L87 Difference]: Start difference. First operand 96 states and 176 transitions. Second operand 3 states. [2020-11-29 21:30:48,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:30:48,167 INFO L93 Difference]: Finished difference Result 97 states and 177 transitions. [2020-11-29 21:30:48,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:30:48,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-29 21:30:48,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:30:48,171 INFO L225 Difference]: With dead ends: 97 [2020-11-29 21:30:48,173 INFO L226 Difference]: Without dead ends: 97 [2020-11-29 21:30:48,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:30:48,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-11-29 21:30:48,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-11-29 21:30:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-11-29 21:30:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 177 transitions. [2020-11-29 21:30:48,202 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 177 transitions. Word has length 26 [2020-11-29 21:30:48,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:30:48,202 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 177 transitions. [2020-11-29 21:30:48,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:30:48,202 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 177 transitions. [2020-11-29 21:30:48,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:30:48,203 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:30:48,203 INFO L422 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] [2020-11-29 21:30:48,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 21:30:48,404 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-11-29 21:30:48,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:30:48,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1710043845, now seen corresponding path program 1 times [2020-11-29 21:30:48,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 21:30:48,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499764898] [2020-11-29 21:30:48,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df71c301-8d8e-4076-81e6-49b8c2ffeccb/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-29 21:30:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:30:48,536 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:30:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:30:48,611 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:30:48,675 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-29 21:30:48,675 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 21:30:48,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 21:30:48,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 09:30:48 BoogieIcfgContainer [2020-11-29 21:30:48,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 21:30:48,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:30:48,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:30:48,946 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:30:48,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:30:46" (3/4) ... [2020-11-29 21:30:48,950 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 21:30:48,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:30:48,953 INFO L168 Benchmark]: Toolchain (without parser) took 3645.64 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 34.8 MB in the beginning and 51.3 MB in the end (delta: -16.5 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:48,954 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 56.6 MB. Free memory is still 38.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:30:48,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.82 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 39.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:48,955 INFO L168 Benchmark]: Boogie Preprocessor took 109.87 ms. Allocated memory is still 56.6 MB. Free memory was 39.8 MB in the beginning and 37.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:48,957 INFO L168 Benchmark]: RCFGBuilder took 959.02 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 37.9 MB in the beginning and 52.1 MB in the end (delta: -14.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:48,957 INFO L168 Benchmark]: TraceAbstraction took 2152.33 ms. Allocated memory is still 79.7 MB. Free memory was 51.7 MB in the beginning and 51.9 MB in the end (delta: -232.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:30:48,958 INFO L168 Benchmark]: Witness Printer took 5.51 ms. Allocated memory is still 79.7 MB. Free memory was 51.9 MB in the beginning and 51.3 MB in the end (delta: 555.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:30:48,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 56.6 MB. Free memory is still 38.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 411.82 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 39.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.87 ms. Allocated memory is still 56.6 MB. Free memory was 39.8 MB in the beginning and 37.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 959.02 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 37.9 MB in the beginning and 52.1 MB in the end (delta: -14.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2152.33 ms. Allocated memory is still 79.7 MB. Free memory was 51.7 MB in the beginning and 51.9 MB in the end (delta: -232.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.51 ms. Allocated memory is still 79.7 MB. Free memory was 51.9 MB in the beginning and 51.3 MB in the end (delta: 555.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 3. Possible FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L51] int cond; VAL [p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L53] COND TRUE 1 [L54] cond = __VERIFIER_nondet_int() [L55] COND FALSE !(cond == 0) [L58] lk1 = 0 [L60] lk2 = 0 [L62] lk3 = 0 [L64] lk4 = 0 [L66] lk5 = 0 [L68] lk6 = 0 [L70] lk7 = 0 [L72] lk8 = 0 [L74] lk9 = 0 [L76] lk10 = 0 [L78] lk11 = 0 [L80] lk12 = 0 [L82] lk13 = 0 [L84] lk14 = 0 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L88] COND FALSE !(p1 != 0) VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L92] COND FALSE !(p2 != 0) VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L96] COND TRUE p3 != 0 [L97] lk3 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L100] COND TRUE p4 != 0 [L101] lk4 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L104] COND TRUE p5 != 0 [L105] lk5 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L108] COND TRUE p6 != 0 [L109] lk6 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=0, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L112] COND TRUE p7 != 0 [L113] lk7 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L116] COND TRUE p8 != 0 [L117] lk8 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=0, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L120] COND TRUE p9 != 0 [L121] lk9 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L124] COND FALSE !(p10 != 0) VAL [cond=2147483648, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L128] COND TRUE p11 != 0 [L129] lk11 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=1, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L132] COND TRUE p12 != 0 [L133] lk12 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=1, lk12=1, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L136] COND TRUE p13 != 0 [L137] lk13 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L140] COND TRUE p14 != 0 [L141] lk14 = 1 VAL [cond=2147483648, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L146] COND FALSE !(p1 != 0) VAL [cond=2147483648, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L151] COND FALSE !(p2 != 0) VAL [cond=2147483648, lk1=0, lk10=0, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=0, p11=2147483648, p12=2147483648, p13=2147483648, p14=2147483648, p2=0, p3=2147483712, p4=2147483648, p5=2147483648, p6=2147483648, p7=2147483648, p8=2147483648, p9=2147483648] [L219] CALL reach_error() [L3] __assert_fail("0", "test_locks_14-2.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 62 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 339 SDtfs, 83 SDslu, 176 SDs, 0 SdLazy, 10 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 6228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 282 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...