./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/sep05-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/sep05-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB --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 ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 --- 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-dbf71c6-m [2022-10-17 16:45:46,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:45:46,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:45:47,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:45:47,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:45:47,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:45:47,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:45:47,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:45:47,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:45:47,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:45:47,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:45:47,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:45:47,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:45:47,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:45:47,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:45:47,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:45:47,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:45:47,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:45:47,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:45:47,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:45:47,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:45:47,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:45:47,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:45:47,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:45:47,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:45:47,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:45:47,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:45:47,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:45:47,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:45:47,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:45:47,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:45:47,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:45:47,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:45:47,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:45:47,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:45:47,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:45:47,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:45:47,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:45:47,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:45:47,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:45:47,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:45:47,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:45:47,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:45:47,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:45:47,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:45:47,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:45:47,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:45:47,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:45:47,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:45:47,129 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:45:47,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:45:47,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:45:47,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:45:47,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:45:47,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:45:47,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:45:47,131 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:45:47,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:45:47,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:45:47,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:45:47,132 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:45:47,133 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:45:47,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:45:47,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:47,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:45:47,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:45:47,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:45:47,134 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:45:47,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:45:47,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:45:47,135 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_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 [2022-10-17 16:45:47,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:45:47,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:45:47,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:45:47,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:45:47,458 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:45:47,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/reducercommutativity/sep05-1.i [2022-10-17 16:45:47,545 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB/data/3717eefad/3089f8dfb7274f6a93c140a90b5180ff/FLAGdb625e5ab [2022-10-17 16:45:47,969 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:45:47,969 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/sv-benchmarks/c/reducercommutativity/sep05-1.i [2022-10-17 16:45:47,977 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB/data/3717eefad/3089f8dfb7274f6a93c140a90b5180ff/FLAGdb625e5ab [2022-10-17 16:45:48,366 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB/data/3717eefad/3089f8dfb7274f6a93c140a90b5180ff [2022-10-17 16:45:48,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:45:48,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:45:48,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:48,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:45:48,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:45:48,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:48" (1/1) ... [2022-10-17 16:45:48,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15fb2f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:48, skipping insertion in model container [2022-10-17 16:45:48,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:48" (1/1) ... [2022-10-17 16:45:48,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:45:48,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:45:48,630 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_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/sv-benchmarks/c/reducercommutativity/sep05-1.i[1287,1300] [2022-10-17 16:45:48,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:48,641 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:45:48,660 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_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/sv-benchmarks/c/reducercommutativity/sep05-1.i[1287,1300] [2022-10-17 16:45:48,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:48,675 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:45:48,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:48 WrapperNode [2022-10-17 16:45:48,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:48,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:48,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:45:48,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:45:48,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:48" (1/1) ... [2022-10-17 16:45:48,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:48" (1/1) ... [2022-10-17 16:45:48,712 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2022-10-17 16:45:48,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:48,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:45:48,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:45:48,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:45:48,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:48" (1/1) ... [2022-10-17 16:45:48,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:48" (1/1) ... [2022-10-17 16:45:48,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:48" (1/1) ... [2022-10-17 16:45:48,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:48" (1/1) ... [2022-10-17 16:45:48,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:48" (1/1) ... [2022-10-17 16:45:48,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:48" (1/1) ... [2022-10-17 16:45:48,739 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:48" (1/1) ... [2022-10-17 16:45:48,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:48" (1/1) ... [2022-10-17 16:45:48,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:45:48,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:45:48,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:45:48,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:45:48,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:48" (1/1) ... [2022-10-17 16:45:48,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:48,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:45:48,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:45:48,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2412e7f1-7d97-4ff7-bf03-db6a66f944aa/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:45:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:45:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:45:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:45:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:45:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:45:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:45:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:45:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:45:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2022-10-17 16:45:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2022-10-17 16:45:48,947 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:45:48,949 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:45:49,173 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:45:49,259 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:45:49,265 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:45:49,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:49 BoogieIcfgContainer [2022-10-17 16:45:49,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:45:49,270 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:45:49,270 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:45:49,282 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:45:49,282 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:49" (1/1) ... [2022-10-17 16:45:49,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:45:49,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:49,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-10-17 16:45:49,348 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-10-17 16:45:49,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:45:49,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:49,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:49,665 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:45:49,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:49,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-10-17 16:45:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-10-17 16:45:49,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:45:49,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:49,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:49,970 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:45:50,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:50,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2022-10-17 16:45:50,028 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2022-10-17 16:45:50,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:45:50,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:50,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:45:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:50,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2022-10-17 16:45:50,233 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-17 16:45:50,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:45:50,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:50,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:50,378 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:45:50,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 16:45:50,454 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:45:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:45:50,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:50,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-17 16:45:50,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:50,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 16:45:50,702 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 16:45:50,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:45:50,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:50,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-17 16:45:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-10-17 16:45:50,936 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-10-17 16:45:50,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:45:50,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:50,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:51,103 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-17 16:45:51,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:51,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-10-17 16:45:51,176 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 16:45:51,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:45:51,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:51,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:51,357 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-17 16:45:51,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2022-10-17 16:45:51,433 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-10-17 16:45:51,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:45:51,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:51,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-17 16:45:51,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:51,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2022-10-17 16:45:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-10-17 16:45:51,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:45:51,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:51,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-10-17 16:45:51,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:52,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2022-10-17 16:45:52,001 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2022-10-17 16:45:52,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:45:52,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:52,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-10-17 16:45:52,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:52,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2022-10-17 16:45:52,316 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2022-10-17 16:45:52,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:45:52,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:52,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:52,522 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-10-17 16:45:52,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:52,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2022-10-17 16:45:52,616 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2022-10-17 16:45:52,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:45:52,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:52,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:52,871 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-10-17 16:45:52,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:52,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2022-10-17 16:45:52,990 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-10-17 16:45:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:45:52,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:52,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:53,262 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-10-17 16:45:53,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:53,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2022-10-17 16:45:53,353 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-10-17 16:45:53,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:45:53,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:53,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat