./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu --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 32bit --witnessprinter.graph.data.programhash 0d8799100fd609ab67add98408724f155026fd97a78e0a4112bb89c435f95463 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:40,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:40,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:40,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:40,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:40,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:40,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:40,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:40,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:40,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:40,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:40,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:40,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:40,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:40,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:40,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:40,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:40,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:40,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:40,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:40,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:40,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:40,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:40,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:40,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:40,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:40,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:40,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:40,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:40,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:40,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:40,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:40,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:40,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:40,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:40,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:40,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:40,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:40,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:40,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:40,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:40,769 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:01:40,805 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:40,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:40,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:40,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:40,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:40,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:40,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:40,808 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:40,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:40,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:40,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:40,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:40,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:40,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:40,809 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:40,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:40,809 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:40,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:40,810 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:40,810 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:40,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:40,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:40,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:40,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:40,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:40,811 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:01:40,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:01:40,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:40,812 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_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d8799100fd609ab67add98408724f155026fd97a78e0a4112bb89c435f95463 [2021-11-23 15:01:41,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:41,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:41,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:41,150 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:41,151 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:41,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c [2021-11-23 15:01:41,240 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/data/df18916f4/5711f0b3fce04a5caad956a1d72bf632/FLAGb634da8bd [2021-11-23 15:01:41,836 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:41,837 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c [2021-11-23 15:01:41,861 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/data/df18916f4/5711f0b3fce04a5caad956a1d72bf632/FLAGb634da8bd [2021-11-23 15:01:42,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/data/df18916f4/5711f0b3fce04a5caad956a1d72bf632 [2021-11-23 15:01:42,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:42,182 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:42,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:42,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:42,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:42,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:42" (1/1) ... [2021-11-23 15:01:42,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3739fcfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:42, skipping insertion in model container [2021-11-23 15:01:42,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:42" (1/1) ... [2021-11-23 15:01:42,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:42,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:42,438 WARN L230 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_4723dd20-c8e2-4dd2-949a-e627642a8de7/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c[2486,2499] [2021-11-23 15:01:42,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:42,462 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:42,487 WARN L230 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_4723dd20-c8e2-4dd2-949a-e627642a8de7/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c[2486,2499] [2021-11-23 15:01:42,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:42,503 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:42,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:42 WrapperNode [2021-11-23 15:01:42,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:42,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:42,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:42,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:42,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:42" (1/1) ... [2021-11-23 15:01:42,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:42" (1/1) ... [2021-11-23 15:01:42,543 INFO L137 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2021-11-23 15:01:42,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:42,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:42,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:42,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:42,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:42" (1/1) ... [2021-11-23 15:01:42,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:42" (1/1) ... [2021-11-23 15:01:42,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:42" (1/1) ... [2021-11-23 15:01:42,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:42" (1/1) ... [2021-11-23 15:01:42,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:42" (1/1) ... [2021-11-23 15:01:42,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:42" (1/1) ... [2021-11-23 15:01:42,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:42" (1/1) ... [2021-11-23 15:01:42,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:42,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:42,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:42,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:42,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:42" (1/1) ... [2021-11-23 15:01:42,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:42,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:42,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:42,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:01:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:01:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:01:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:01:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:01:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:01:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:01:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:01:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:01:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:01:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:01:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:01:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:01:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:01:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:01:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:01:42,681 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:01:42,765 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:42,767 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:43,140 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:43,180 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 15:01:43,187 INFO L158 Benchmark]: Toolchain (without parser) took 1003.33ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 53.5MB in the end (delta: 10.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 15:01:43,189 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 96.5MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:43,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.87ms. Allocated memory is still 96.5MB. Free memory was 64.0MB in the beginning and 71.5MB in the end (delta: -7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:01:43,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.64ms. Allocated memory is still 96.5MB. Free memory was 71.5MB in the beginning and 69.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:43,195 INFO L158 Benchmark]: Boogie Preprocessor took 30.61ms. Allocated memory is still 96.5MB. Free memory was 69.7MB in the beginning and 68.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:43,197 INFO L158 Benchmark]: RCFGBuilder took 608.88ms. Allocated memory is still 96.5MB. Free memory was 68.2MB in the beginning and 53.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:01:43,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 96.5MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.87ms. Allocated memory is still 96.5MB. Free memory was 64.0MB in the beginning and 71.5MB in the end (delta: -7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.64ms. Allocated memory is still 96.5MB. Free memory was 71.5MB in the beginning and 69.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.61ms. Allocated memory is still 96.5MB. Free memory was 69.7MB in the beginning and 68.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 608.88ms. Allocated memory is still 96.5MB. Free memory was 68.2MB in the beginning and 53.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:01:43,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu --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 32bit --witnessprinter.graph.data.programhash 0d8799100fd609ab67add98408724f155026fd97a78e0a4112bb89c435f95463 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:45,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:45,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:45,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:45,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:45,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:45,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:45,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:45,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:45,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:45,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:45,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:45,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:45,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:45,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:45,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:45,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:45,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:45,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:45,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:45,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:45,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:45,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:45,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:45,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:45,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:45,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:45,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:45,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:45,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:45,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:45,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:45,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:45,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:45,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:45,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:45,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:45,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:45,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:45,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:45,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:45,729 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:01:45,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:45,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:45,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:45,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:45,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:45,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:45,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:45,756 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:45,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:45,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:45,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:45,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:45,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:45,758 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:01:45,758 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:01:45,759 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:01:45,759 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:45,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:45,759 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:45,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:45,760 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:45,760 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:45,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:45,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:45,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:45,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:45,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:45,762 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:01:45,762 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:01:45,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:45,762 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:01:45,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:01:45,763 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_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d8799100fd609ab67add98408724f155026fd97a78e0a4112bb89c435f95463 [2021-11-23 15:01:46,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:46,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:46,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:46,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:46,153 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:46,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c [2021-11-23 15:01:46,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/data/7b40d3b55/1aa26c5263f544e09b58e70edd4d7ee0/FLAG8fc634c74 [2021-11-23 15:01:46,768 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:46,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c [2021-11-23 15:01:46,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/data/7b40d3b55/1aa26c5263f544e09b58e70edd4d7ee0/FLAG8fc634c74 [2021-11-23 15:01:47,113 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/data/7b40d3b55/1aa26c5263f544e09b58e70edd4d7ee0 [2021-11-23 15:01:47,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:47,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:47,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:47,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:47,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:47,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f5f07d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47, skipping insertion in model container [2021-11-23 15:01:47,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:47,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:47,370 WARN L230 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_4723dd20-c8e2-4dd2-949a-e627642a8de7/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c[2486,2499] [2021-11-23 15:01:47,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:47,427 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:01:47,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:47,450 WARN L230 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_4723dd20-c8e2-4dd2-949a-e627642a8de7/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c[2486,2499] [2021-11-23 15:01:47,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:47,459 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:47,482 WARN L230 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_4723dd20-c8e2-4dd2-949a-e627642a8de7/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c[2486,2499] [2021-11-23 15:01:47,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:47,500 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:47,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47 WrapperNode [2021-11-23 15:01:47,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:47,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:47,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:47,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:47,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,541 INFO L137 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2021-11-23 15:01:47,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:47,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:47,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:47,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:47,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:47,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:47,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:47,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:47,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:47,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:47,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:47,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:01:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:01:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:01:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:01:47,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:01:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:01:47,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:01:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:01:47,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:01:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:01:47,653 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:01:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:01:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:01:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:01:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:47,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:01:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:01:47,655 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:01:47,746 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:47,748 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:48,175 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:48,263 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 15:01:48,270 INFO L158 Benchmark]: Toolchain (without parser) took 1147.46ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 45.9MB in the beginning and 58.2MB in the end (delta: -12.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-11-23 15:01:48,271 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:48,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.42ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 46.7MB in the end (delta: -954.2kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:01:48,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.46ms. Allocated memory is still 67.1MB. Free memory was 46.5MB in the beginning and 44.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:48,275 INFO L158 Benchmark]: Boogie Preprocessor took 33.68ms. Allocated memory is still 67.1MB. Free memory was 44.8MB in the beginning and 43.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:48,276 INFO L158 Benchmark]: RCFGBuilder took 690.52ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.1MB in the beginning and 58.2MB in the end (delta: -15.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-11-23 15:01:48,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.42ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 46.7MB in the end (delta: -954.2kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.46ms. Allocated memory is still 67.1MB. Free memory was 46.5MB in the beginning and 44.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.68ms. Allocated memory is still 67.1MB. Free memory was 44.8MB in the beginning and 43.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 690.52ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.1MB in the beginning and 58.2MB in the end (delta: -15.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:01:48,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4723dd20-c8e2-4dd2-949a-e627642a8de7/bin/ukojak-CwSLpZB5Qu/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: UnsupportedOperationException: Set is immutable