./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4 --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 d78cd891fa68505812de1aa2daf912afefe1b560cf3fa56b706a1a5e163d5abe --- 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-2329fc7 [2022-12-14 18:21:29,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:21:29,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:21:29,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:21:29,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:21:30,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:21:30,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:21:30,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:21:30,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:21:30,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:21:30,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:21:30,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:21:30,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:21:30,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:21:30,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:21:30,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:21:30,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:21:30,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:21:30,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:21:30,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:21:30,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:21:30,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:21:30,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:21:30,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:21:30,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:21:30,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:21:30,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:21:30,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:21:30,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:21:30,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:21:30,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:21:30,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:21:30,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:21:30,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:21:30,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:21:30,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:21:30,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:21:30,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:21:30,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:21:30,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:21:30,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:21:30,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-12-14 18:21:30,038 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:21:30,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:21:30,039 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:21:30,039 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:21:30,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:21:30,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:21:30,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:21:30,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:21:30,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:21:30,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:21:30,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:21:30,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:21:30,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:21:30,041 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:21:30,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:21:30,041 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:21:30,041 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:21:30,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:21:30,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:21:30,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:21:30,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:21:30,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:21:30,042 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:21:30,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:21:30,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:21:30,042 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_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d78cd891fa68505812de1aa2daf912afefe1b560cf3fa56b706a1a5e163d5abe [2022-12-14 18:21:30,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:21:30,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:21:30,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:21:30,267 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:21:30,267 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:21:30,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2022-12-14 18:21:32,781 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:21:33,006 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:21:33,006 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2022-12-14 18:21:33,018 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/data/e8a614400/342576c4cb1e486d9dfc47abf7d0c35d/FLAG08a7c5879 [2022-12-14 18:21:33,029 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/data/e8a614400/342576c4cb1e486d9dfc47abf7d0c35d [2022-12-14 18:21:33,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:21:33,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:21:33,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:21:33,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:21:33,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:21:33,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:21:33" (1/1) ... [2022-12-14 18:21:33,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@129a26ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:33, skipping insertion in model container [2022-12-14 18:21:33,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:21:33" (1/1) ... [2022-12-14 18:21:33,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:21:33,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:21:33,202 WARN L237 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_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1014,1027] [2022-12-14 18:21:33,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:21:33,432 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:21:33,444 WARN L237 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_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1014,1027] [2022-12-14 18:21:33,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:21:33,580 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:21:33,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:33 WrapperNode [2022-12-14 18:21:33,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:21:33,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:21:33,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:21:33,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:21:33,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:33" (1/1) ... [2022-12-14 18:21:33,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:33" (1/1) ... [2022-12-14 18:21:33,699 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2443 [2022-12-14 18:21:33,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:21:33,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:21:33,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:21:33,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:21:33,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:33" (1/1) ... [2022-12-14 18:21:33,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:33" (1/1) ... [2022-12-14 18:21:33,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:33" (1/1) ... [2022-12-14 18:21:33,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:33" (1/1) ... [2022-12-14 18:21:33,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:33" (1/1) ... [2022-12-14 18:21:33,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:33" (1/1) ... [2022-12-14 18:21:33,783 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:33" (1/1) ... [2022-12-14 18:21:33,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:33" (1/1) ... [2022-12-14 18:21:33,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:21:33,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:21:33,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:21:33,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:21:33,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:33" (1/1) ... [2022-12-14 18:21:33,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:21:33,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:21:33,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:21:33,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:21:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:21:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:21:34,193 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:21:34,195 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:26:55,189 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:26:55,226 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:26:55,226 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:26:55,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:26:55 BoogieIcfgContainer [2022-12-14 18:26:55,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:26:55,229 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:26:55,230 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:26:55,239 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:26:55,239 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:26:55" (1/1) ... [2022-12-14 18:26:55,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:26:55,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:26:55,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 18:26:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 18:26:55,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:26:55,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:26:55,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:26:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:26:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:27:07,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 18:27:17,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 18:27:20,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 18:27:20,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:27:20,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-12-14 18:27:20,115 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-12-14 18:27:20,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:27:20,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:27:20,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:30:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:30:46,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 18:34:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:34:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-12-14 18:34:30,312 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) [2022-12-14 18:34:30,315 INFO L158 Benchmark]: Toolchain (without parser) took 777282.90ms. Allocated memory was 138.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 103.5MB in the beginning and 525.1MB in the end (delta: -421.6MB). Peak memory consumption was 672.6MB. Max. memory is 16.1GB. [2022-12-14 18:34:30,316 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:34:30,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.82ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 103.5MB in the beginning and 113.6MB in the end (delta: -10.2MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-12-14 18:34:30,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.58ms. Allocated memory is still 180.4MB. Free memory was 113.6MB in the beginning and 85.6MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 18:34:30,317 INFO L158 Benchmark]: Boogie Preprocessor took 120.03ms. Allocated memory is still 180.4MB. Free memory was 85.6MB in the beginning and 115.2MB in the end (delta: -29.7MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2022-12-14 18:34:30,318 INFO L158 Benchmark]: RCFGBuilder took 321408.65ms. Allocated memory was 180.4MB in the beginning and 1.0GB in the end (delta: 843.1MB). Free memory was 115.2MB in the beginning and 346.3MB in the end (delta: -231.0MB). Peak memory consumption was 626.5MB. Max. memory is 16.1GB. [2022-12-14 18:34:30,318 INFO L158 Benchmark]: CodeCheck took 455085.14ms. Allocated memory was 1.0GB in the beginning and 1.2GB in the end (delta: 205.5MB). Free memory was 346.3MB in the beginning and 525.1MB in the end (delta: -178.8MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2022-12-14 18:34:30,321 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 0.14ms. Allocated memory is still 138.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.82ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 103.5MB in the beginning and 113.6MB in the end (delta: -10.2MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.58ms. Allocated memory is still 180.4MB. Free memory was 113.6MB in the beginning and 85.6MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.03ms. Allocated memory is still 180.4MB. Free memory was 85.6MB in the beginning and 115.2MB in the end (delta: -29.7MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * RCFGBuilder took 321408.65ms. Allocated memory was 180.4MB in the beginning and 1.0GB in the end (delta: 843.1MB). Free memory was 115.2MB in the beginning and 346.3MB in the end (delta: -231.0MB). Peak memory consumption was 626.5MB. Max. memory is 16.1GB. * CodeCheck took 455085.14ms. Allocated memory was 1.0GB in the beginning and 1.2GB in the end (delta: 205.5MB). Free memory was 346.3MB in the beginning and 525.1MB in the end (delta: -178.8MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 18:34:30,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4 --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 d78cd891fa68505812de1aa2daf912afefe1b560cf3fa56b706a1a5e163d5abe --- 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-2329fc7 [2022-12-14 18:34:31,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:34:31,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:34:31,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:34:31,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:34:31,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:34:31,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:34:31,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:34:31,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:34:31,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:34:31,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:34:31,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:34:31,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:34:31,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:34:31,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:34:31,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:34:31,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:34:31,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:34:31,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:34:31,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:34:31,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:34:31,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:34:32,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:34:32,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:34:32,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:34:32,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:34:32,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:34:32,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:34:32,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:34:32,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:34:32,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:34:32,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:34:32,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:34:32,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:34:32,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:34:32,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:34:32,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:34:32,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:34:32,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:34:32,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:34:32,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:34:32,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-12-14 18:34:32,048 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:34:32,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:34:32,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:34:32,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:34:32,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:34:32,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:34:32,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:34:32,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:34:32,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:34:32,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:34:32,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:34:32,051 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 18:34:32,051 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 18:34:32,051 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 18:34:32,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:34:32,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:34:32,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:34:32,052 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:34:32,052 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:34:32,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:34:32,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:34:32,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:34:32,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:34:32,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:34:32,054 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 18:34:32,054 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 18:34:32,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:34:32,054 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 18:34:32,054 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 18:34:32,054 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_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d78cd891fa68505812de1aa2daf912afefe1b560cf3fa56b706a1a5e163d5abe [2022-12-14 18:34:32,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:34:32,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:34:32,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:34:32,335 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:34:32,335 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:34:32,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2022-12-14 18:34:34,974 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:34:35,224 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:34:35,225 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2022-12-14 18:34:35,245 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/data/9cf879267/433f2054dfee4e6d96d689b493a9a028/FLAG642511f53 [2022-12-14 18:34:35,256 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/data/9cf879267/433f2054dfee4e6d96d689b493a9a028 [2022-12-14 18:34:35,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:34:35,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:34:35,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:34:35,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:34:35,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:34:35,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:34:35" (1/1) ... [2022-12-14 18:34:35,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c6b7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:35, skipping insertion in model container [2022-12-14 18:34:35,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:34:35" (1/1) ... [2022-12-14 18:34:35,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:34:35,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:34:35,443 WARN L237 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_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1014,1027] [2022-12-14 18:34:35,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:34:35,742 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:34:35,752 WARN L237 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_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1014,1027] [2022-12-14 18:34:35,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:34:35,887 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:34:35,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:35 WrapperNode [2022-12-14 18:34:35,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:34:35,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:34:35,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:34:35,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:34:35,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:35" (1/1) ... [2022-12-14 18:34:35,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:35" (1/1) ... [2022-12-14 18:34:36,013 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2443 [2022-12-14 18:34:36,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:34:36,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:34:36,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:34:36,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:34:36,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:35" (1/1) ... [2022-12-14 18:34:36,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:35" (1/1) ... [2022-12-14 18:34:36,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:35" (1/1) ... [2022-12-14 18:34:36,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:35" (1/1) ... [2022-12-14 18:34:36,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:35" (1/1) ... [2022-12-14 18:34:36,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:35" (1/1) ... [2022-12-14 18:34:36,093 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:35" (1/1) ... [2022-12-14 18:34:36,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:35" (1/1) ... [2022-12-14 18:34:36,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:34:36,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:34:36,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:34:36,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:34:36,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:35" (1/1) ... [2022-12-14 18:34:36,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:34:36,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:34:36,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:34:36,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:34:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:34:36,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:34:36,516 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:34:36,518 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:34:39,026 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:34:39,063 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:34:39,063 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:34:39,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:34:39 BoogieIcfgContainer [2022-12-14 18:34:39,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:34:39,066 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:34:39,066 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:34:39,076 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:34:39,076 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:34:39" (1/1) ... [2022-12-14 18:34:39,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:34:39,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:34:39,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 18:34:39,127 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 18:34:39,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:34:39,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:34:39,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:34:39,159 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) [2022-12-14 18:34:39,163 INFO L158 Benchmark]: Toolchain (without parser) took 3902.02ms. Allocated memory was 119.5MB in the beginning and 211.8MB in the end (delta: 92.3MB). Free memory was 99.3MB in the beginning and 98.5MB in the end (delta: 816.0kB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2022-12-14 18:34:39,163 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:34:39,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.46ms. Allocated memory is still 119.5MB. Free memory was 98.8MB in the beginning and 68.0MB in the end (delta: 30.8MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2022-12-14 18:34:39,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.99ms. Allocated memory is still 119.5MB. Free memory was 68.0MB in the beginning and 51.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 18:34:39,165 INFO L158 Benchmark]: Boogie Preprocessor took 98.15ms. Allocated memory is still 119.5MB. Free memory was 51.4MB in the beginning and 72.4MB in the end (delta: -20.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-12-14 18:34:39,166 INFO L158 Benchmark]: RCFGBuilder took 2952.65ms. Allocated memory was 119.5MB in the beginning and 211.8MB in the end (delta: 92.3MB). Free memory was 72.4MB in the beginning and 104.8MB in the end (delta: -32.4MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. [2022-12-14 18:34:39,167 INFO L158 Benchmark]: CodeCheck took 95.35ms. Allocated memory is still 211.8MB. Free memory was 104.8MB in the beginning and 98.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 18:34:39,170 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 0.13ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 626.46ms. Allocated memory is still 119.5MB. Free memory was 98.8MB in the beginning and 68.0MB in the end (delta: 30.8MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.99ms. Allocated memory is still 119.5MB. Free memory was 68.0MB in the beginning and 51.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.15ms. Allocated memory is still 119.5MB. Free memory was 51.4MB in the beginning and 72.4MB in the end (delta: -20.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * RCFGBuilder took 2952.65ms. Allocated memory was 119.5MB in the beginning and 211.8MB in the end (delta: 92.3MB). Free memory was 72.4MB in the beginning and 104.8MB in the end (delta: -32.4MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. * CodeCheck took 95.35ms. Allocated memory is still 211.8MB. Free memory was 104.8MB in the beginning and 98.5MB 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. [2022-12-14 18:34:39,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6927faa-0fd8-4205-a5a7-982d53f6ed8e/bin/ukojak-rkRKPMF4O4/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