./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74bed2c5921e53f16e234cbc0a2deaaf4b0b51c6cc3f20bfab2fd33a0fce7ecf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 19:23:58,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:23:58,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:23:58,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:23:58,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:23:58,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:23:58,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:23:58,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:23:58,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:23:58,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:23:58,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:23:58,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:23:58,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:23:58,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:23:58,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:23:58,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:23:58,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:23:58,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:23:58,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:23:58,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:23:58,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:23:58,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:23:58,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:23:58,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:23:58,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:23:58,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:23:58,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:23:58,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:23:58,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:23:58,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:23:58,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:23:58,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:23:58,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:23:58,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:23:58,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:23:58,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:23:58,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:23:58,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:23:58,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:23:58,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:23:58,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:23:58,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:23:58,857 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:23:58,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:23:58,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:23:58,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:23:58,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:23:58,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:23:58,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:23:58,859 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:23:58,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:23:58,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:23:58,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:23:58,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:23:58,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:23:58,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:23:58,860 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:23:58,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:23:58,860 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:23:58,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:23:58,860 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:23:58,860 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:23:58,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:23:58,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:23:58,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:23:58,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:23:58,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:23:58,861 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:23:58,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:23:58,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:23:58,862 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_6f77878d-926a-4a1f-bbfd-36840b388619/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74bed2c5921e53f16e234cbc0a2deaaf4b0b51c6cc3f20bfab2fd33a0fce7ecf [2022-12-14 19:23:59,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:23:59,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:23:59,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:23:59,047 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:23:59,048 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:23:59,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c [2022-12-14 19:24:01,624 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:24:01,777 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:24:01,777 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c [2022-12-14 19:24:01,782 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/bin/ukojak-rkRKPMF4O4/data/126a70a00/78450275d2fa4fd7a6e8089c89434e00/FLAG6370733dc [2022-12-14 19:24:01,792 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/bin/ukojak-rkRKPMF4O4/data/126a70a00/78450275d2fa4fd7a6e8089c89434e00 [2022-12-14 19:24:01,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:24:01,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:24:01,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:24:01,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:24:01,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:24:01,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:24:01" (1/1) ... [2022-12-14 19:24:01,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d199abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:01, skipping insertion in model container [2022-12-14 19:24:01,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:24:01" (1/1) ... [2022-12-14 19:24:01,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:24:01,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:24:01,913 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c[525,538] [2022-12-14 19:24:01,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:24:01,939 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:24:01,947 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c[525,538] [2022-12-14 19:24:01,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:24:01,967 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:24:01,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:01 WrapperNode [2022-12-14 19:24:01,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:24:01,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:24:01,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:24:01,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:24:01,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:01" (1/1) ... [2022-12-14 19:24:01,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:01" (1/1) ... [2022-12-14 19:24:01,995 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-12-14 19:24:01,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:24:01,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:24:01,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:24:01,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:24:02,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:01" (1/1) ... [2022-12-14 19:24:02,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:01" (1/1) ... [2022-12-14 19:24:02,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:01" (1/1) ... [2022-12-14 19:24:02,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:01" (1/1) ... [2022-12-14 19:24:02,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:01" (1/1) ... [2022-12-14 19:24:02,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:01" (1/1) ... [2022-12-14 19:24:02,016 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:01" (1/1) ... [2022-12-14 19:24:02,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:01" (1/1) ... [2022-12-14 19:24:02,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:24:02,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:24:02,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:24:02,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:24:02,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:24:01" (1/1) ... [2022-12-14 19:24:02,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:24:02,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:24:02,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:24:02,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f77878d-926a-4a1f-bbfd-36840b388619/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:24:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:24:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 19:24:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 19:24:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:24:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:24:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:24:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 19:24:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 19:24:02,146 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:24:02,148 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:24:02,321 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:24:02,353 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:24:02,354 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 19:24:02,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:24:02 BoogieIcfgContainer [2022-12-14 19:24:02,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:24:02,357 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:24:02,357 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:24:02,365 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:24:02,365 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:24:02" (1/1) ... [2022-12-14 19:24:02,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:24:02,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-12-14 19:24:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-12-14 19:24:02,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:24:02,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:02,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:02,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 19:24:02,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:24:02,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:02,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-12-14 19:24:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-12-14 19:24:02,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 19:24:02,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:02,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:03,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:13,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:24:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2022-12-14 19:24:13,323 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-12-14 19:24:13,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:24:13,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:13,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:13,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:13,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:13,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2022-12-14 19:24:13,910 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2022-12-14 19:24:13,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:24:13,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:13,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:13,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 19:24:13,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:24:14,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:14,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:14,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-12-14 19:24:14,628 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-12-14 19:24:14,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:24:14,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:14,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:14,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 19:24:14,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:24:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:15,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:15,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2022-12-14 19:24:15,381 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2022-12-14 19:24:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 19:24:15,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:15,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:15,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 19:24:15,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:24:15,544 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:24:23,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:24:28,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:24:28,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:28,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 47 states and 81 transitions. [2022-12-14 19:24:28,845 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 81 transitions. [2022-12-14 19:24:28,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:24:28,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:28,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:28,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 19:24:28,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:24:29,139 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:24:30,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:30,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 90 transitions. [2022-12-14 19:24:30,740 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2022-12-14 19:24:30,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 19:24:30,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:30,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:30,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 19:24:30,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:24:32,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:24:38,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:24:41,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:24:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:41,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 56 states and 99 transitions. [2022-12-14 19:24:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 99 transitions. [2022-12-14 19:24:41,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 19:24:41,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:41,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:41,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 19:24:41,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:24:45,636 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:24:46,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:46,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 54 states and 95 transitions. [2022-12-14 19:24:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2022-12-14 19:24:46,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 19:24:46,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:46,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:46,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 19:24:46,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:24:51,636 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 19:24:55,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:24:57,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:24:57,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:24:57,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 56 states and 101 transitions. [2022-12-14 19:24:57,624 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2022-12-14 19:24:57,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 19:24:57,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:24:57,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:24:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:24:57,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 19:24:57,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:25:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:25:24,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:25:24,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 59 states and 105 transitions. [2022-12-14 19:25:24,670 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 105 transitions. [2022-12-14 19:25:24,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:25:24,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:25:24,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:25:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:25:24,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 19:25:24,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:25:31,883 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 19:25:59,516 WARN L233 SmtUtils]: Spent 7.90s on a formula simplification. DAG size of input: 22 DAG size of output: 21 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:26:33,861 WARN L233 SmtUtils]: Spent 18.94s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:27:02,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:27:02,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:27:02,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 61 states and 111 transitions. [2022-12-14 19:27:02,640 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 111 transitions. [2022-12-14 19:27:02,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 19:27:02,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:27:02,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:27:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:27:02,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 19:27:02,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:27:13,858 WARN L233 SmtUtils]: Spent 10.66s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:28:29,665 WARN L233 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:28:29,684 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 19:29:35,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:35,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 63 states and 117 transitions. [2022-12-14 19:29:35,718 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2022-12-14 19:29:35,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 19:29:35,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:35,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:35,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 19:29:35,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:31:48,684 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 19:32:10,142 WARN L233 SmtUtils]: Spent 13.25s on a formula simplification. DAG size of input: 23 DAG size of output: 21 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:32:36,698 WARN L233 SmtUtils]: Spent 14.15s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:32:41,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:34:21,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:34:21,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 119 transitions. [2022-12-14 19:34:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 119 transitions. [2022-12-14 19:34:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:34:21,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:34:21,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:34:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:34:21,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 19:34:21,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:35:04,943 WARN L233 SmtUtils]: Spent 8.84s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:37:01,727 WARN L233 SmtUtils]: Spent 14.27s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:37:01,793 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 19:38:06,522 WARN L233 SmtUtils]: Spent 13.39s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:38:16,538 WARN L837 $PredicateComparison]: unable to prove that (and (not (= (mod (+ (* |c_ULTIMATE.start_main_~p~0#1| |c_ULTIMATE.start_main_~p~0#1|) (* |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~q~0#1|)) 4294967296) (mod (* |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~q~0#1|) 4294967296))) (<= |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~r~0#1|) (= |c_ULTIMATE.start_main_~p~0#1| 0) (<= 1 |c_ULTIMATE.start_main_~q~0#1|) (= |c_ULTIMATE.start_main_~h~0#1| 0) (= (mod (+ (* |c_ULTIMATE.start_main_~n~0#1| 4294967288 |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~q~0#1|) (* |c_ULTIMATE.start_main_~n~0#1| 4294967292 |c_ULTIMATE.start_main_~p~0#1| |c_ULTIMATE.start_main_~h~0#1|) (* |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~h~0#1| |c_ULTIMATE.start_main_~h~0#1|) (* |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~n~0#1| 4 |c_ULTIMATE.start_main_~q~0#1|) (* |c_ULTIMATE.start_main_~n~0#1| 4294967295 |c_ULTIMATE.start_main_~q~0#1| |c_ULTIMATE.start_main_~q~0#1|) (* |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~q~0#1| |c_ULTIMATE.start_main_~q~0#1|) (* |c_ULTIMATE.start_main_~p~0#1| |c_ULTIMATE.start_main_~h~0#1| |c_ULTIMATE.start_main_~r~0#1| 4) (* 4294967295 |c_ULTIMATE.start_main_~h~0#1| |c_ULTIMATE.start_main_~h~0#1| |c_ULTIMATE.start_main_~r~0#1|) (* |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~r~0#1| 4 |c_ULTIMATE.start_main_~q~0#1|)) 4294967296) 0)) is different from false [2022-12-14 19:38:59,512 WARN L233 SmtUtils]: Spent 20.09s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:39:09,529 WARN L859 $PredicateComparison]: unable to prove that (not (and (not (= (mod (+ (* |c_ULTIMATE.start_main_~p~0#1| |c_ULTIMATE.start_main_~p~0#1|) (* |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~q~0#1|)) 4294967296) (mod (* |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~q~0#1|) 4294967296))) (<= |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~r~0#1|) (= |c_ULTIMATE.start_main_~p~0#1| 0) (<= 1 |c_ULTIMATE.start_main_~q~0#1|) (= |c_ULTIMATE.start_main_~h~0#1| 0) (= (mod (+ (* |c_ULTIMATE.start_main_~n~0#1| 4294967288 |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~q~0#1|) (* |c_ULTIMATE.start_main_~n~0#1| 4294967292 |c_ULTIMATE.start_main_~p~0#1| |c_ULTIMATE.start_main_~h~0#1|) (* |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~h~0#1| |c_ULTIMATE.start_main_~h~0#1|) (* |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~n~0#1| 4 |c_ULTIMATE.start_main_~q~0#1|) (* |c_ULTIMATE.start_main_~n~0#1| 4294967295 |c_ULTIMATE.start_main_~q~0#1| |c_ULTIMATE.start_main_~q~0#1|) (* |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~q~0#1| |c_ULTIMATE.start_main_~q~0#1|) (* |c_ULTIMATE.start_main_~p~0#1| |c_ULTIMATE.start_main_~h~0#1| |c_ULTIMATE.start_main_~r~0#1| 4) (* 4294967295 |c_ULTIMATE.start_main_~h~0#1| |c_ULTIMATE.start_main_~h~0#1| |c_ULTIMATE.start_main_~r~0#1|) (* |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~r~0#1| 4 |c_ULTIMATE.start_main_~q~0#1|)) 4294967296) 0))) is different from true