./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3f2939586d95d2403c35c316707e3e1d86d440a4937d82cbe4131dbb4335583f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 08:27:58,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:27:58,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:27:58,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:27:58,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:27:58,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:27:58,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:27:58,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:27:58,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:27:58,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:27:58,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:27:58,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:27:58,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:27:58,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:27:58,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:27:58,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:27:58,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:27:58,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:27:58,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:27:58,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:27:58,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:27:58,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:27:58,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:27:58,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:27:58,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:27:58,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:27:58,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:27:58,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:27:58,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:27:58,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:27:58,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:27:58,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:27:58,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:27:58,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:27:58,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:27:58,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:27:58,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:27:58,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:27:58,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:27:58,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:27:58,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:27:58,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-16 08:27:58,869 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:27:58,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:27:58,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:27:58,872 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:27:58,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:27:58,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:27:58,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:27:58,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:27:58,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:27:58,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:27:58,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:27:58,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:27:58,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:27:58,876 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:27:58,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:27:58,876 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:27:58,877 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:27:58,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:27:58,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:27:58,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:27:58,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:27:58,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:27:58,878 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:27:58,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:27:58,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:27:58,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f2939586d95d2403c35c316707e3e1d86d440a4937d82cbe4131dbb4335583f [2022-11-16 08:27:59,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:27:59,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:27:59,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:27:59,226 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:27:59,228 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:27:59,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c [2022-11-16 08:27:59,335 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/data/e1fd574e1/b5cc4c2db0424f2fa9c1065a607bb206/FLAG1b00e8c67 [2022-11-16 08:27:59,956 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:27:59,957 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c [2022-11-16 08:27:59,979 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/data/e1fd574e1/b5cc4c2db0424f2fa9c1065a607bb206/FLAG1b00e8c67 [2022-11-16 08:28:00,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/data/e1fd574e1/b5cc4c2db0424f2fa9c1065a607bb206 [2022-11-16 08:28:00,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:28:00,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:28:00,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:28:00,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:28:00,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:28:00,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:28:00" (1/1) ... [2022-11-16 08:28:00,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aad866b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:00, skipping insertion in model container [2022-11-16 08:28:00,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:28:00" (1/1) ... [2022-11-16 08:28:00,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:28:00,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:28:00,551 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c[1014,1027] [2022-11-16 08:28:01,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:28:01,091 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:28:01,108 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c[1014,1027] [2022-11-16 08:28:01,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:28:01,370 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:28:01,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:01 WrapperNode [2022-11-16 08:28:01,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:28:01,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:28:01,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:28:01,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:28:01,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:01" (1/1) ... [2022-11-16 08:28:01,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:01" (1/1) ... [2022-11-16 08:28:01,737 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4763 [2022-11-16 08:28:01,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:28:01,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:28:01,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:28:01,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:28:01,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:01" (1/1) ... [2022-11-16 08:28:01,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:01" (1/1) ... [2022-11-16 08:28:01,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:01" (1/1) ... [2022-11-16 08:28:01,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:01" (1/1) ... [2022-11-16 08:28:01,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:01" (1/1) ... [2022-11-16 08:28:01,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:01" (1/1) ... [2022-11-16 08:28:01,903 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:01" (1/1) ... [2022-11-16 08:28:01,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:01" (1/1) ... [2022-11-16 08:28:02,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:28:02,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:28:02,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:28:02,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:28:02,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:28:01" (1/1) ... [2022-11-16 08:28:02,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:28:02,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:28:02,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:28:02,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:28:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:28:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:28:02,804 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:28:02,806 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:28:09,303 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:28:38,107 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:28:38,107 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 08:28:38,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:28:38 BoogieIcfgContainer [2022-11-16 08:28:38,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:28:38,111 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:28:38,111 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:28:38,119 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:28:38,119 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:28:38" (1/1) ... [2022-11-16 08:28:38,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 08:28:38,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:28:38,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-16 08:28:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-16 08:28:38,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 08:28:38,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:28:38,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:28:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:28:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:28:52,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-16 08:29:02,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-16 08:29:04,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:04,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-16 08:29:04,400 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-16 08:29:04,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 08:29:04,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:04,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-11-16 08:29:16,416 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 08:29:16,421 INFO L158 Benchmark]: Toolchain (without parser) took 76274.70ms. Allocated memory was 136.3MB in the beginning and 7.1GB in the end (delta: 7.0GB). Free memory was 95.2MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 396.4MB. Max. memory is 16.1GB. [2022-11-16 08:29:16,421 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory was 107.6MB in the beginning and 107.6MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:29:16,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1224.33ms. Allocated memory is still 136.3MB. Free memory was 95.0MB in the beginning and 76.6MB in the end (delta: 18.4MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2022-11-16 08:29:16,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 366.29ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 76.6MB in the beginning and 103.0MB in the end (delta: -26.4MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2022-11-16 08:29:16,424 INFO L158 Benchmark]: Boogie Preprocessor took 302.82ms. Allocated memory is still 186.6MB. Free memory was 103.0MB in the beginning and 108.8MB in the end (delta: -5.9MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2022-11-16 08:29:16,425 INFO L158 Benchmark]: RCFGBuilder took 36066.04ms. Allocated memory was 186.6MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 108.1MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2022-11-16 08:29:16,425 INFO L158 Benchmark]: CodeCheck took 38308.59ms. Allocated memory is still 7.1GB. Free memory was 5.9GB in the beginning and 6.7GB in the end (delta: -835.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:29:16,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory was 107.6MB in the beginning and 107.6MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1224.33ms. Allocated memory is still 136.3MB. Free memory was 95.0MB in the beginning and 76.6MB in the end (delta: 18.4MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 366.29ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 76.6MB in the beginning and 103.0MB in the end (delta: -26.4MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 302.82ms. Allocated memory is still 186.6MB. Free memory was 103.0MB in the beginning and 108.8MB in the end (delta: -5.9MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * RCFGBuilder took 36066.04ms. Allocated memory was 186.6MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 108.1MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * CodeCheck took 38308.59ms. Allocated memory is still 7.1GB. Free memory was 5.9GB in the beginning and 6.7GB in the end (delta: -835.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 08:29:16,647 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2022-11-16 08:29:16,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3f2939586d95d2403c35c316707e3e1d86d440a4937d82cbe4131dbb4335583f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 08:29:18,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:29:18,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:29:19,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:29:19,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:29:19,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:29:19,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:29:19,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:29:19,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:29:19,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:29:19,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:29:19,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:29:19,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:29:19,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:29:19,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:29:19,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:29:19,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:29:19,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:29:19,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:29:19,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:29:19,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:29:19,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:29:19,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:29:19,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:29:19,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:29:19,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:29:19,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:29:19,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:29:19,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:29:19,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:29:19,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:29:19,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:29:19,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:29:19,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:29:19,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:29:19,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:29:19,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:29:19,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:29:19,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:29:19,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:29:19,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:29:19,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-11-16 08:29:19,140 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:29:19,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:29:19,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:29:19,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:29:19,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:29:19,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:29:19,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:29:19,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:29:19,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:29:19,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:29:19,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:29:19,147 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 08:29:19,147 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 08:29:19,147 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 08:29:19,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:29:19,148 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:29:19,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:29:19,148 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:29:19,148 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:29:19,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:29:19,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:29:19,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:29:19,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:29:19,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:29:19,150 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 08:29:19,150 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 08:29:19,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:29:19,150 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-16 08:29:19,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 08:29:19,151 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_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f2939586d95d2403c35c316707e3e1d86d440a4937d82cbe4131dbb4335583f [2022-11-16 08:29:19,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:29:19,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:29:19,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:29:19,584 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:29:19,585 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:29:19,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c [2022-11-16 08:29:19,660 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/data/f963fabb1/d60f777458ac467b9383e720208ef9b3/FLAGae836ca56 [2022-11-16 08:29:20,422 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:29:20,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c [2022-11-16 08:29:20,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/data/f963fabb1/d60f777458ac467b9383e720208ef9b3/FLAGae836ca56 [2022-11-16 08:29:20,542 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/data/f963fabb1/d60f777458ac467b9383e720208ef9b3 [2022-11-16 08:29:20,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:29:20,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:29:20,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:29:20,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:29:20,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:29:20,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:29:20" (1/1) ... [2022-11-16 08:29:20,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46dcb5f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:20, skipping insertion in model container [2022-11-16 08:29:20,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:29:20" (1/1) ... [2022-11-16 08:29:20,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:29:20,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:29:20,877 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c[1014,1027] [2022-11-16 08:29:21,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:29:21,396 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:29:21,409 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c[1014,1027] [2022-11-16 08:29:21,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:29:21,635 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:29:21,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:21 WrapperNode [2022-11-16 08:29:21,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:29:21,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:29:21,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:29:21,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:29:21,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:21" (1/1) ... [2022-11-16 08:29:21,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:21" (1/1) ... [2022-11-16 08:29:21,904 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2915 [2022-11-16 08:29:21,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:29:21,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:29:21,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:29:21,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:29:21,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:21" (1/1) ... [2022-11-16 08:29:21,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:21" (1/1) ... [2022-11-16 08:29:21,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:21" (1/1) ... [2022-11-16 08:29:21,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:21" (1/1) ... [2022-11-16 08:29:22,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:21" (1/1) ... [2022-11-16 08:29:22,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:21" (1/1) ... [2022-11-16 08:29:22,022 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:21" (1/1) ... [2022-11-16 08:29:22,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:21" (1/1) ... [2022-11-16 08:29:22,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:29:22,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:29:22,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:29:22,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:29:22,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:21" (1/1) ... [2022-11-16 08:29:22,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:29:22,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:29:22,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:29:22,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:29:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:29:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:29:22,790 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:29:22,792 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:29:38,182 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:29:38,239 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:29:38,239 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 08:29:38,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:29:38 BoogieIcfgContainer [2022-11-16 08:29:38,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:29:38,243 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:29:38,243 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:29:38,253 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:29:38,254 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:29:38" (1/1) ... [2022-11-16 08:29:38,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 08:29:38,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-16 08:29:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-16 08:29:38,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 08:29:38,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:38,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:38,398 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 08:29:38,402 INFO L158 Benchmark]: Toolchain (without parser) took 17855.53ms. Allocated memory was 54.5MB in the beginning and 337.6MB in the end (delta: 283.1MB). Free memory was 27.0MB in the beginning and 212.1MB in the end (delta: -185.1MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2022-11-16 08:29:38,403 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 36.0MB in the beginning and 36.0MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:29:38,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1075.21ms. Allocated memory was 54.5MB in the beginning and 98.6MB in the end (delta: 44.0MB). Free memory was 38.1MB in the beginning and 61.8MB in the end (delta: -23.7MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2022-11-16 08:29:38,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 266.36ms. Allocated memory is still 98.6MB. Free memory was 61.8MB in the beginning and 55.8MB in the end (delta: 6.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2022-11-16 08:29:38,405 INFO L158 Benchmark]: Boogie Preprocessor took 149.90ms. Allocated memory is still 98.6MB. Free memory was 55.8MB in the beginning and 43.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 08:29:38,406 INFO L158 Benchmark]: RCFGBuilder took 16185.47ms. Allocated memory was 98.6MB in the beginning and 337.6MB in the end (delta: 239.1MB). Free memory was 43.1MB in the beginning and 218.3MB in the end (delta: -175.2MB). Peak memory consumption was 158.6MB. Max. memory is 16.1GB. [2022-11-16 08:29:38,407 INFO L158 Benchmark]: CodeCheck took 157.45ms. Allocated memory is still 337.6MB. Free memory was 218.3MB in the beginning and 212.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 08:29:38,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 36.0MB in the beginning and 36.0MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1075.21ms. Allocated memory was 54.5MB in the beginning and 98.6MB in the end (delta: 44.0MB). Free memory was 38.1MB in the beginning and 61.8MB in the end (delta: -23.7MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 266.36ms. Allocated memory is still 98.6MB. Free memory was 61.8MB in the beginning and 55.8MB in the end (delta: 6.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 149.90ms. Allocated memory is still 98.6MB. Free memory was 55.8MB in the beginning and 43.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 16185.47ms. Allocated memory was 98.6MB in the beginning and 337.6MB in the end (delta: 239.1MB). Free memory was 43.1MB in the beginning and 218.3MB in the end (delta: -175.2MB). Peak memory consumption was 158.6MB. Max. memory is 16.1GB. * CodeCheck took 157.45ms. Allocated memory is still 337.6MB. Free memory was 218.3MB in the beginning and 212.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 08:29:38,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66109d09-e6de-41ee-a5f7-9f84269399e8/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared