./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/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_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/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_41e090c1-94d0-4fcf-8aa6-04e2882ce326/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 c26649eb2b5e2894995c7ded88c5a423fed45f97f2a3a4fb7cb28f4d82a4e609 --- 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 [2022-12-15 03:18:30,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:18:30,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:18:30,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:18:30,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:18:30,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:18:30,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:18:30,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:18:30,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:18:30,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:18:30,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:18:30,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:18:30,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:18:30,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:18:30,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:18:30,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:18:30,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:18:30,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:18:30,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:18:30,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:18:30,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:18:30,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:18:30,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:18:30,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:18:30,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:18:30,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:18:30,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:18:30,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:18:30,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:18:30,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:18:30,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:18:30,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:18:30,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:18:30,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:18:30,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:18:30,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:18:30,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:18:30,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:18:30,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:18:30,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:18:30,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:18:30,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-12-15 03:18:30,193 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:18:30,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:18:30,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:18:30,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:18:30,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:18:30,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:18:30,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:18:30,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:18:30,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:18:30,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:18:30,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:18:30,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:18:30,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:18:30,196 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:18:30,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:18:30,196 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:18:30,197 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:18:30,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:18:30,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:18:30,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:18:30,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:18:30,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:18:30,198 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:18:30,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:18:30,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:18:30,198 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_41e090c1-94d0-4fcf-8aa6-04e2882ce326/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c26649eb2b5e2894995c7ded88c5a423fed45f97f2a3a4fb7cb28f4d82a4e609 [2022-12-15 03:18:30,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:18:30,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:18:30,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:18:30,410 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:18:30,410 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:18:30,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c [2022-12-15 03:18:32,905 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:18:33,160 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:18:33,161 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c [2022-12-15 03:18:33,173 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/data/f68c83932/558aeafb7fe8419eacb108a6e17e215b/FLAG9bebca4b6 [2022-12-15 03:18:33,490 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/data/f68c83932/558aeafb7fe8419eacb108a6e17e215b [2022-12-15 03:18:33,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:18:33,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:18:33,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:18:33,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:18:33,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:18:33,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:18:33" (1/1) ... [2022-12-15 03:18:33,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9647ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:18:33, skipping insertion in model container [2022-12-15 03:18:33,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:18:33" (1/1) ... [2022-12-15 03:18:33,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:18:33,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:18:33,737 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_41e090c1-94d0-4fcf-8aa6-04e2882ce326/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c[1014,1027] [2022-12-15 03:18:34,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:18:34,051 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:18:34,059 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_41e090c1-94d0-4fcf-8aa6-04e2882ce326/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c[1014,1027] [2022-12-15 03:18:34,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:18:34,207 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:18:34,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:18:34 WrapperNode [2022-12-15 03:18:34,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:18:34,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:18:34,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:18:34,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:18:34,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:18:34" (1/1) ... [2022-12-15 03:18:34,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:18:34" (1/1) ... [2022-12-15 03:18:34,361 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3144 [2022-12-15 03:18:34,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:18:34,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:18:34,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:18:34,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:18:34,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:18:34" (1/1) ... [2022-12-15 03:18:34,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:18:34" (1/1) ... [2022-12-15 03:18:34,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:18:34" (1/1) ... [2022-12-15 03:18:34,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:18:34" (1/1) ... [2022-12-15 03:18:34,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:18:34" (1/1) ... [2022-12-15 03:18:34,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:18:34" (1/1) ... [2022-12-15 03:18:34,439 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:18:34" (1/1) ... [2022-12-15 03:18:34,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:18:34" (1/1) ... [2022-12-15 03:18:34,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:18:34,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:18:34,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:18:34,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:18:34,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:18:34" (1/1) ... [2022-12-15 03:18:34,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:18:34,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:18:34,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:18:34,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:18:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:18:34,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:18:34,889 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:18:34,890 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:30:52,378 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:30:52,418 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:30:52,419 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:30:52,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:30:52 BoogieIcfgContainer [2022-12-15 03:30:52,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:30:52,422 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:30:52,422 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:30:52,429 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:30:52,430 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:30:52" (1/1) ... [2022-12-15 03:30:52,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:30:52,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:30:52,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-15 03:30:52,483 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-15 03:30:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 03:30:52,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:30:52,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:30:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:30:54,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:31:04,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:31:15,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:31:17,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 03:31:20,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 03:31:20,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:31:20,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-12-15 03:31:20,446 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-12-15 03:31:20,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 03:31:20,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:31:20,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:31:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-12-15 03:31:31,848 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) [2022-12-15 03:31:31,852 INFO L158 Benchmark]: Toolchain (without parser) took 778352.42ms. Allocated memory was 111.1MB in the beginning and 1.1GB in the end (delta: 977.3MB). Free memory was 60.4MB in the beginning and 773.7MB in the end (delta: -713.3MB). Peak memory consumption was 267.0MB. Max. memory is 16.1GB. [2022-12-15 03:31:31,852 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:31:31,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.22ms. Allocated memory was 111.1MB in the beginning and 190.8MB in the end (delta: 79.7MB). Free memory was 60.1MB in the beginning and 96.6MB in the end (delta: -36.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2022-12-15 03:31:31,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.64ms. Allocated memory is still 190.8MB. Free memory was 96.6MB in the beginning and 110.1MB in the end (delta: -13.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-12-15 03:31:31,853 INFO L158 Benchmark]: Boogie Preprocessor took 111.26ms. Allocated memory is still 190.8MB. Free memory was 110.1MB in the beginning and 93.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 03:31:31,854 INFO L158 Benchmark]: RCFGBuilder took 737947.89ms. Allocated memory was 190.8MB in the beginning and 1.1GB in the end (delta: 897.6MB). Free memory was 93.3MB in the beginning and 545.9MB in the end (delta: -452.6MB). Peak memory consumption was 647.3MB. Max. memory is 16.1GB. [2022-12-15 03:31:31,854 INFO L158 Benchmark]: CodeCheck took 39428.90ms. Allocated memory is still 1.1GB. Free memory was 545.9MB in the beginning and 773.7MB in the end (delta: -227.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:31:31,857 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 111.1MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.22ms. Allocated memory was 111.1MB in the beginning and 190.8MB in the end (delta: 79.7MB). Free memory was 60.1MB in the beginning and 96.6MB in the end (delta: -36.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.64ms. Allocated memory is still 190.8MB. Free memory was 96.6MB in the beginning and 110.1MB in the end (delta: -13.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.26ms. Allocated memory is still 190.8MB. Free memory was 110.1MB in the beginning and 93.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 737947.89ms. Allocated memory was 190.8MB in the beginning and 1.1GB in the end (delta: 897.6MB). Free memory was 93.3MB in the beginning and 545.9MB in the end (delta: -452.6MB). Peak memory consumption was 647.3MB. Max. memory is 16.1GB. * CodeCheck took 39428.90ms. Allocated memory is still 1.1GB. Free memory was 545.9MB in the beginning and 773.7MB in the end (delta: -227.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 03:31:32,070 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2022-12-15 03:31:32,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/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_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/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_41e090c1-94d0-4fcf-8aa6-04e2882ce326/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 c26649eb2b5e2894995c7ded88c5a423fed45f97f2a3a4fb7cb28f4d82a4e609 --- 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 [2022-12-15 03:31:33,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:31:33,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:31:33,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:31:33,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:31:33,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:31:33,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:31:33,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:31:33,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:31:33,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:31:33,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:31:33,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:31:33,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:31:33,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:31:33,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:31:33,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:31:33,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:31:33,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:31:33,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:31:33,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:31:33,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:31:33,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:31:33,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:31:33,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:31:33,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:31:33,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:31:33,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:31:33,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:31:33,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:31:33,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:31:33,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:31:33,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:31:33,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:31:33,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:31:33,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:31:33,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:31:33,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:31:33,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:31:33,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:31:33,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:31:33,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:31:33,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-12-15 03:31:33,669 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:31:33,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:31:33,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:31:33,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:31:33,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:31:33,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:31:33,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:31:33,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:31:33,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:31:33,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:31:33,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:31:33,672 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 03:31:33,672 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 03:31:33,672 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 03:31:33,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:31:33,673 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:31:33,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:31:33,673 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:31:33,673 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:31:33,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:31:33,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:31:33,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:31:33,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:31:33,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:31:33,674 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 03:31:33,675 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 03:31:33,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:31:33,675 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 03:31:33,675 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 03:31:33,675 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_41e090c1-94d0-4fcf-8aa6-04e2882ce326/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c26649eb2b5e2894995c7ded88c5a423fed45f97f2a3a4fb7cb28f4d82a4e609 [2022-12-15 03:31:33,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:31:33,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:31:33,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:31:33,929 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:31:33,929 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:31:33,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c [2022-12-15 03:31:36,446 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:31:36,745 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:31:36,745 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c [2022-12-15 03:31:36,757 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/data/f2fc81756/eed821bacaa04de383a71a7d8d34584d/FLAGe3569a0bf [2022-12-15 03:31:36,999 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/data/f2fc81756/eed821bacaa04de383a71a7d8d34584d [2022-12-15 03:31:37,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:31:37,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:31:37,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:31:37,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:31:37,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:31:37,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:31:37" (1/1) ... [2022-12-15 03:31:37,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548456e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:31:37, skipping insertion in model container [2022-12-15 03:31:37,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:31:37" (1/1) ... [2022-12-15 03:31:37,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:31:37,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:31:37,200 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_41e090c1-94d0-4fcf-8aa6-04e2882ce326/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c[1014,1027] [2022-12-15 03:31:37,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:31:37,466 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:31:37,474 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_41e090c1-94d0-4fcf-8aa6-04e2882ce326/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c[1014,1027] [2022-12-15 03:31:37,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:31:37,623 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:31:37,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:31:37 WrapperNode [2022-12-15 03:31:37,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:31:37,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:31:37,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:31:37,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:31:37,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:31:37" (1/1) ... [2022-12-15 03:31:37,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:31:37" (1/1) ... [2022-12-15 03:31:37,755 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3144 [2022-12-15 03:31:37,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:31:37,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:31:37,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:31:37,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:31:37,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:31:37" (1/1) ... [2022-12-15 03:31:37,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:31:37" (1/1) ... [2022-12-15 03:31:37,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:31:37" (1/1) ... [2022-12-15 03:31:37,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:31:37" (1/1) ... [2022-12-15 03:31:37,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:31:37" (1/1) ... [2022-12-15 03:31:37,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:31:37" (1/1) ... [2022-12-15 03:31:37,840 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:31:37" (1/1) ... [2022-12-15 03:31:37,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:31:37" (1/1) ... [2022-12-15 03:31:37,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:31:37,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:31:37,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:31:37,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:31:37,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:31:37" (1/1) ... [2022-12-15 03:31:37,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:31:37,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:31:37,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:31:37,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:31:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:31:37,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:31:38,309 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:31:38,310 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:31:42,871 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:31:42,901 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:31:42,902 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:31:42,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:31:42 BoogieIcfgContainer [2022-12-15 03:31:42,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:31:42,904 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:31:42,904 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:31:42,911 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:31:42,911 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:31:42" (1/1) ... [2022-12-15 03:31:42,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:31:42,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:31:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-15 03:31:42,955 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-15 03:31:42,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 03:31:42,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:31:42,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:31:42,996 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) [2022-12-15 03:31:43,000 INFO L158 Benchmark]: Toolchain (without parser) took 5995.98ms. Allocated memory was 81.8MB in the beginning and 251.7MB in the end (delta: 169.9MB). Free memory was 57.3MB in the beginning and 122.5MB in the end (delta: -65.2MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. [2022-12-15 03:31:43,000 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:31:43,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.58ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 57.0MB in the beginning and 49.6MB in the end (delta: 7.4MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2022-12-15 03:31:43,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.12ms. Allocated memory is still 98.6MB. Free memory was 49.6MB in the beginning and 46.1MB in the end (delta: 3.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-12-15 03:31:43,002 INFO L158 Benchmark]: Boogie Preprocessor took 120.21ms. Allocated memory is still 98.6MB. Free memory was 46.1MB in the beginning and 47.3MB in the end (delta: -1.2MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-12-15 03:31:43,003 INFO L158 Benchmark]: RCFGBuilder took 5026.17ms. Allocated memory was 98.6MB in the beginning and 251.7MB in the end (delta: 153.1MB). Free memory was 47.3MB in the beginning and 127.8MB in the end (delta: -80.5MB). Peak memory consumption was 139.8MB. Max. memory is 16.1GB. [2022-12-15 03:31:43,003 INFO L158 Benchmark]: CodeCheck took 94.41ms. Allocated memory is still 251.7MB. Free memory was 127.8MB in the beginning and 122.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:31:43,007 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 0.11ms. Allocated memory is still 54.5MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.58ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 57.0MB in the beginning and 49.6MB in the end (delta: 7.4MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.12ms. Allocated memory is still 98.6MB. Free memory was 49.6MB in the beginning and 46.1MB in the end (delta: 3.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.21ms. Allocated memory is still 98.6MB. Free memory was 46.1MB in the beginning and 47.3MB in the end (delta: -1.2MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * RCFGBuilder took 5026.17ms. Allocated memory was 98.6MB in the beginning and 251.7MB in the end (delta: 153.1MB). Free memory was 47.3MB in the beginning and 127.8MB in the end (delta: -80.5MB). Peak memory consumption was 139.8MB. Max. memory is 16.1GB. * CodeCheck took 94.41ms. Allocated memory is still 251.7MB. Free memory was 127.8MB in the beginning and 122.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 03:31:43,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e090c1-94d0-4fcf-8aa6-04e2882ce326/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