./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.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_165f5b44-bed3-467d-afb6-d877cc82baeb/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_165f5b44-bed3-467d-afb6-d877cc82baeb/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_165f5b44-bed3-467d-afb6-d877cc82baeb/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_165f5b44-bed3-467d-afb6-d877cc82baeb/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_165f5b44-bed3-467d-afb6-d877cc82baeb/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_165f5b44-bed3-467d-afb6-d877cc82baeb/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 154556615f003714b5a49b3ebe7e74b2231be519e4b6364e10c3e255a1a8cfe1 --- 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 16:44:42,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:44:42,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:44:42,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:44:42,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:44:42,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:44:42,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:44:42,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:44:42,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:44:42,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:44:42,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:44:42,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:44:42,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:44:42,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:44:42,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:44:42,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:44:42,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:44:42,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:44:42,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:44:42,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:44:42,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:44:42,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:44:42,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:44:42,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:44:42,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:44:42,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:44:42,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:44:42,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:44:42,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:44:42,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:44:42,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:44:42,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:44:42,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:44:42,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:44:42,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:44:42,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:44:42,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:44:42,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:44:42,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:44:42,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:44:42,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:44:42,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_165f5b44-bed3-467d-afb6-d877cc82baeb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:44:42,811 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:44:42,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:44:42,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:44:42,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:44:42,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:44:42,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:44:42,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:44:42,814 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:44:42,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:44:42,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:44:42,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:44:42,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:44:42,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:44:42,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:44:42,816 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:44:42,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:44:42,816 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:44:42,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:44:42,817 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:44:42,817 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:44:42,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:44:42,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:42,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:44:42,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:44:42,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:44:42,819 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:44:42,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:44:42,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:44:42,819 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_165f5b44-bed3-467d-afb6-d877cc82baeb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_165f5b44-bed3-467d-afb6-d877cc82baeb/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 154556615f003714b5a49b3ebe7e74b2231be519e4b6364e10c3e255a1a8cfe1 [2022-10-17 16:44:43,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:44:43,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:44:43,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:44:43,140 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:44:43,142 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:44:43,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_165f5b44-bed3-467d-afb6-d877cc82baeb/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c [2022-10-17 16:44:43,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_165f5b44-bed3-467d-afb6-d877cc82baeb/bin/ukojak-92XMlrwhuB/data/347810367/3112958be5824623bbb7b17e9b0c37f6/FLAGf39f72021 [2022-10-17 16:44:43,890 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:44:43,895 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_165f5b44-bed3-467d-afb6-d877cc82baeb/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c [2022-10-17 16:44:43,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_165f5b44-bed3-467d-afb6-d877cc82baeb/bin/ukojak-92XMlrwhuB/data/347810367/3112958be5824623bbb7b17e9b0c37f6/FLAGf39f72021 [2022-10-17 16:44:44,224 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_165f5b44-bed3-467d-afb6-d877cc82baeb/bin/ukojak-92XMlrwhuB/data/347810367/3112958be5824623bbb7b17e9b0c37f6 [2022-10-17 16:44:44,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:44:44,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:44:44,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:44,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:44:44,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:44:44,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:44" (1/1) ... [2022-10-17 16:44:44,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e483f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:44, skipping insertion in model container [2022-10-17 16:44:44,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:44" (1/1) ... [2022-10-17 16:44:44,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:44:44,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:44:44,495 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_165f5b44-bed3-467d-afb6-d877cc82baeb/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c[524,537] [2022-10-17 16:44:44,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:44,561 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:44:44,580 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_165f5b44-bed3-467d-afb6-d877cc82baeb/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c[524,537] [2022-10-17 16:44:44,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:44,632 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:44:44,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:44 WrapperNode [2022-10-17 16:44:44,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:44,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:44,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:44:44,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:44:44,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:44" (1/1) ... [2022-10-17 16:44:44,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:44" (1/1) ... [2022-10-17 16:44:44,671 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-10-17 16:44:44,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:44,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:44:44,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:44:44,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:44:44,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:44" (1/1) ... [2022-10-17 16:44:44,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:44" (1/1) ... [2022-10-17 16:44:44,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:44" (1/1) ... [2022-10-17 16:44:44,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:44" (1/1) ... [2022-10-17 16:44:44,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:44" (1/1) ... [2022-10-17 16:44:44,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:44" (1/1) ... [2022-10-17 16:44:44,698 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:44" (1/1) ... [2022-10-17 16:44:44,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:44" (1/1) ... [2022-10-17 16:44:44,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:44:44,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:44:44,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:44:44,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:44:44,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:44" (1/1) ... [2022-10-17 16:44:44,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:44,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_165f5b44-bed3-467d-afb6-d877cc82baeb/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:44:44,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_165f5b44-bed3-467d-afb6-d877cc82baeb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:44:44,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_165f5b44-bed3-467d-afb6-d877cc82baeb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:44:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:44:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:44:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:44:44,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:44:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:44:44,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:44:44,900 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:44:44,903 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:44:45,164 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:44:45,359 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:44:45,359 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:44:45,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:45 BoogieIcfgContainer [2022-10-17 16:44:45,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:44:45,364 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:44:45,364 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:44:45,376 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:44:45,377 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:45" (1/1) ... [2022-10-17 16:44:45,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:44:45,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-10-17 16:44:45,451 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-10-17 16:44:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:44:45,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:45,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:45,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:44:45,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:44:45,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:45,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:45,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-10-17 16:44:45,670 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-10-17 16:44:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:44:45,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:45,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:45,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:44:45,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:44:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:45,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:45,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-10-17 16:44:45,926 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-10-17 16:44:45,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:44:45,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:45,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:46,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:44:46,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:44:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:46,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:46,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-10-17 16:44:46,552 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-10-17 16:44:46,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:44:46,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:46,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:46,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:44:46,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:44:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:48,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:48,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2022-10-17 16:44:48,584 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2022-10-17 16:44:48,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:44:48,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:48,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:48,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:44:48,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:44:48,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:57,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:45:03,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:45:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:04,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 37 states and 79 transitions. [2022-10-17 16:45:04,932 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 79 transitions. [2022-10-17 16:45:04,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:45:04,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:04,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:05,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:45:05,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:06,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:10,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:45:13,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:45:13,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:13,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 41 states and 94 transitions. [2022-10-17 16:45:13,632 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 94 transitions. [2022-10-17 16:45:13,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:45:13,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:13,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:13,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:45:13,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:16,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:16,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 43 states and 97 transitions. [2022-10-17 16:45:16,597 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 97 transitions. [2022-10-17 16:45:16,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:45:16,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:16,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:16,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:45:16,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:16,836 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:45:17,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:17,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 45 states and 110 transitions. [2022-10-17 16:45:17,427 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 110 transitions. [2022-10-17 16:45:17,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:45:17,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:17,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:17,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:45:17,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:18,683 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.