./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c --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_2a688219-752e-455f-9d1c-ffff9ced22aa/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a688219-752e-455f-9d1c-ffff9ced22aa/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_2a688219-752e-455f-9d1c-ffff9ced22aa/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a688219-752e-455f-9d1c-ffff9ced22aa/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a688219-752e-455f-9d1c-ffff9ced22aa/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_2a688219-752e-455f-9d1c-ffff9ced22aa/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 f5161832faa85efa7698287d22f9a23de4fa8b958c1b2d2c225d3d8c999a24ce --- 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 16:49:59,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:59,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:59,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:59,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:59,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:59,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:59,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:59,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:59,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:59,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:59,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:59,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:59,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:59,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:59,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:59,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:59,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:59,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:59,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:59,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:59,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:59,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:59,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:59,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:59,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:59,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:59,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:59,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:59,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:59,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:59,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:59,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:59,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:59,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:59,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:59,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:59,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:59,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:59,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:59,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:59,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a688219-752e-455f-9d1c-ffff9ced22aa/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:59,204 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:59,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:59,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:59,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:59,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:59,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:59,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:59,206 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:59,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:59,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:59,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:59,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:59,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:59,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:59,208 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:59,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:59,208 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:59,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:59,214 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:59,214 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:59,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:59,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:59,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:59,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:59,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:59,216 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:59,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:59,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:59,216 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_2a688219-752e-455f-9d1c-ffff9ced22aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a688219-752e-455f-9d1c-ffff9ced22aa/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5161832faa85efa7698287d22f9a23de4fa8b958c1b2d2c225d3d8c999a24ce [2022-10-17 16:49:59,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:59,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:59,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:59,494 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:59,496 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:59,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a688219-752e-455f-9d1c-ffff9ced22aa/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c [2022-10-17 16:49:59,579 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a688219-752e-455f-9d1c-ffff9ced22aa/bin/ukojak-92XMlrwhuB/data/02e23c3fd/2702e6cac9ba40e085f14c6795e46183/FLAG6a19ccbc8 [2022-10-17 16:50:00,076 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:00,077 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a688219-752e-455f-9d1c-ffff9ced22aa/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c [2022-10-17 16:50:00,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a688219-752e-455f-9d1c-ffff9ced22aa/bin/ukojak-92XMlrwhuB/data/02e23c3fd/2702e6cac9ba40e085f14c6795e46183/FLAG6a19ccbc8 [2022-10-17 16:50:00,571 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a688219-752e-455f-9d1c-ffff9ced22aa/bin/ukojak-92XMlrwhuB/data/02e23c3fd/2702e6cac9ba40e085f14c6795e46183 [2022-10-17 16:50:00,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:00,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:00,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:00,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:00,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:00,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:00,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb22763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00, skipping insertion in model container [2022-10-17 16:50:00,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:00,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:00,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:00,812 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_2a688219-752e-455f-9d1c-ffff9ced22aa/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c[489,502] [2022-10-17 16:50:00,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:00,863 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:00,881 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_2a688219-752e-455f-9d1c-ffff9ced22aa/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound100.c[489,502] [2022-10-17 16:50:00,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:00,920 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:00,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00 WrapperNode [2022-10-17 16:50:00,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:00,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:00,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:00,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:00,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:00,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:00,971 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2022-10-17 16:50:00,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:00,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:00,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:00,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:00,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:00,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:00,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:00,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:01,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:01,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:01,005 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:01,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:01,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:01,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:01,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:01,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:01,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:00" (1/1) ... [2022-10-17 16:50:01,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:01,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a688219-752e-455f-9d1c-ffff9ced22aa/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:01,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a688219-752e-455f-9d1c-ffff9ced22aa/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:01,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a688219-752e-455f-9d1c-ffff9ced22aa/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:01,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:01,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:50:01,111 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:50:01,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:01,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:01,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:01,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:50:01,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:50:01,197 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:01,200 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:01,408 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:01,451 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:01,451 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:50:01,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:01 BoogieIcfgContainer [2022-10-17 16:50:01,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:01,455 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:01,455 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:01,471 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:01,472 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:01" (1/1) ... [2022-10-17 16:50:01,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:01,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-10-17 16:50:01,566 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 16:50:01,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:50:01,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:01,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:01,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:01,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:01,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-10-17 16:50:01,805 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-10-17 16:50:01,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:01,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:01,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:02,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2022-10-17 16:50:02,202 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-10-17 16:50:02,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:50:02,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:50:02,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:50:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2022-10-17 16:50:02,692 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2022-10-17 16:50:02,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:50:02,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:50:02,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:02,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:50:03,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 59 transitions. [2022-10-17 16:50:03,727 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2022-10-17 16:50:03,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:50:03,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:50:03,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:04,101 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:50:05,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:05,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 70 transitions. [2022-10-17 16:50:05,430 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2022-10-17 16:50:05,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:50:05,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:05,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:05,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:50:05,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:05,562 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:50:05,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:05,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 72 transitions. [2022-10-17 16:50:05,642 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2022-10-17 16:50:05,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:50:05,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:05,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:05,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:50:05,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:50:07,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:07,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 51 states and 114 transitions. [2022-10-17 16:50:07,637 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 114 transitions. [2022-10-17 16:50:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:50:07,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:07,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:07,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:50:07,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:08,100 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:50:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:09,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 56 states and 134 transitions. [2022-10-17 16:50:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 134 transitions. [2022-10-17 16:50:09,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:50:09,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:09,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:09,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:50:09,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:50:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:10,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 58 states and 136 transitions. [2022-10-17 16:50:10,767 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 136 transitions. [2022-10-17 16:50:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:50:10,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:10,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:10,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:50:10,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-17 16:50:12,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:12,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 62 states and 154 transitions. [2022-10-17 16:50:12,652 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 154 transitions. [2022-10-17 16:50:12,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:50:12,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:12,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:12,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:50:12,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:13,666 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:50:18,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:18,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 72 states and 191 transitions. [2022-10-17 16:50:18,551 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 191 transitions. [2022-10-17 16:50:18,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:50:18,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:18,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:18,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 16:50:18,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:19,887 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:50:23,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:23,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 77 states and 209 transitions. [2022-10-17 16:50:23,060 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 209 transitions. [2022-10-17 16:50:23,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:50:23,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:23,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:23,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:50:23,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:23,652 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:50:27,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:27,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 80 states and 225 transitions. [2022-10-17 16:50:27,832 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 225 transitions. [2022-10-17 16:50:27,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:50:27,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:27,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:27,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:50:27,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:28,636 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.