./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a998438-d7f4-4b63-844b-f95e0837f516/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a998438-d7f4-4b63-844b-f95e0837f516/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_5a998438-d7f4-4b63-844b-f95e0837f516/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a998438-d7f4-4b63-844b-f95e0837f516/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a998438-d7f4-4b63-844b-f95e0837f516/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_5a998438-d7f4-4b63-844b-f95e0837f516/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 20f9ce6814caacb533e5bf2143ac3e067387f11238548a0b9b41e2de8e2cc436 --- 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 [2022-12-15 01:23:40,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:23:40,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:23:40,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:23:40,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:23:40,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:23:40,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:23:40,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:23:40,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:23:40,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:23:40,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:23:40,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:23:40,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:23:40,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:23:40,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:23:40,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:23:40,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:23:40,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:23:40,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:23:40,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:23:40,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:23:40,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:23:40,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:23:40,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:23:40,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:23:40,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:23:40,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:23:40,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:23:40,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:23:40,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:23:40,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:23:40,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:23:40,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:23:40,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:23:40,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:23:40,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:23:40,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:23:40,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:23:40,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:23:40,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:23:40,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:23:40,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a998438-d7f4-4b63-844b-f95e0837f516/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:23:40,141 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:23:40,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:23:40,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:23:40,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:23:40,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:23:40,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:23:40,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:23:40,144 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:23:40,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:23:40,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:23:40,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:23:40,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:23:40,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:23:40,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:23:40,145 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:23:40,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:23:40,146 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:23:40,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:23:40,146 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:23:40,146 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:23:40,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:23:40,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:23:40,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:23:40,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:23:40,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:23:40,147 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:23:40,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:23:40,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:23:40,148 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_5a998438-d7f4-4b63-844b-f95e0837f516/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a998438-d7f4-4b63-844b-f95e0837f516/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20f9ce6814caacb533e5bf2143ac3e067387f11238548a0b9b41e2de8e2cc436 [2022-12-15 01:23:40,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:23:40,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:23:40,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:23:40,372 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:23:40,373 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:23:40,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a998438-d7f4-4b63-844b-f95e0837f516/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2022-12-15 01:23:42,915 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:23:43,035 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:23:43,036 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a998438-d7f4-4b63-844b-f95e0837f516/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2022-12-15 01:23:43,040 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a998438-d7f4-4b63-844b-f95e0837f516/bin/ukojak-rkRKPMF4O4/data/6f82447b6/738f05d4bec144ed9111683a2b646f18/FLAG6419610cb [2022-12-15 01:23:43,053 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a998438-d7f4-4b63-844b-f95e0837f516/bin/ukojak-rkRKPMF4O4/data/6f82447b6/738f05d4bec144ed9111683a2b646f18 [2022-12-15 01:23:43,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:23:43,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:23:43,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:23:43,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:23:43,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:23:43,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:23:43" (1/1) ... [2022-12-15 01:23:43,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75fe8349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:43, skipping insertion in model container [2022-12-15 01:23:43,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:23:43" (1/1) ... [2022-12-15 01:23:43,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:23:43,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:23:43,178 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_5a998438-d7f4-4b63-844b-f95e0837f516/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c[489,502] [2022-12-15 01:23:43,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:23:43,197 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:23:43,206 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_5a998438-d7f4-4b63-844b-f95e0837f516/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c[489,502] [2022-12-15 01:23:43,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:23:43,221 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:23:43,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:43 WrapperNode [2022-12-15 01:23:43,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:23:43,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:23:43,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:23:43,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:23:43,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:43" (1/1) ... [2022-12-15 01:23:43,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:43" (1/1) ... [2022-12-15 01:23:43,245 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-12-15 01:23:43,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:23:43,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:23:43,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:23:43,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:23:43,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:43" (1/1) ... [2022-12-15 01:23:43,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:43" (1/1) ... [2022-12-15 01:23:43,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:43" (1/1) ... [2022-12-15 01:23:43,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:43" (1/1) ... [2022-12-15 01:23:43,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:43" (1/1) ... [2022-12-15 01:23:43,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:43" (1/1) ... [2022-12-15 01:23:43,259 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:43" (1/1) ... [2022-12-15 01:23:43,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:43" (1/1) ... [2022-12-15 01:23:43,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:23:43,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:23:43,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:23:43,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:23:43,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:23:43" (1/1) ... [2022-12-15 01:23:43,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:23:43,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a998438-d7f4-4b63-844b-f95e0837f516/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:23:43,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a998438-d7f4-4b63-844b-f95e0837f516/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:23:43,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a998438-d7f4-4b63-844b-f95e0837f516/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:23:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:23:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 01:23:43,320 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 01:23:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:23:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:23:43,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:23:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 01:23:43,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 01:23:43,380 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:23:43,383 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:23:43,500 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:23:43,533 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:23:43,533 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:23:43,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:23:43 BoogieIcfgContainer [2022-12-15 01:23:43,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:23:43,536 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:23:43,536 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:23:43,544 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:23:43,544 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:23:43" (1/1) ... [2022-12-15 01:23:43,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:23:43,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:43,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-12-15 01:23:43,595 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-12-15 01:23:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:23:43,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:43,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:43,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 01:23:43,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:23:43,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-15 01:23:43,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:43,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-12-15 01:23:43,954 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-12-15 01:23:43,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:23:43,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:43,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:44,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 01:23:44,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:23:44,132 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:23:44,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:44,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 55 transitions. [2022-12-15 01:23:44,316 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-12-15 01:23:44,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:23:44,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:44,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:44,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-15 01:23:44,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:23:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-15 01:23:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 39 states and 75 transitions. [2022-12-15 01:23:45,253 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2022-12-15 01:23:45,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 01:23:45,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:45,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:45,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-15 01:23:45,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:23:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-15 01:23:45,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:45,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 39 states and 73 transitions. [2022-12-15 01:23:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2022-12-15 01:23:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 01:23:45,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:45,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:45,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-15 01:23:45,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:23:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-15 01:23:45,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:45,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 43 states and 87 transitions. [2022-12-15 01:23:45,966 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 87 transitions. [2022-12-15 01:23:45,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-15 01:23:45,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:45,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:45,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:23:45,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:23:46,146 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-15 01:23:46,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:46,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 47 states and 97 transitions. [2022-12-15 01:23:46,711 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 97 transitions. [2022-12-15 01:23:46,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 01:23:46,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:46,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:46,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:23:46,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:23:47,534 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-15 01:23:48,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:48,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 52 states and 113 transitions. [2022-12-15 01:23:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 113 transitions. [2022-12-15 01:23:48,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 01:23:48,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:48,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:48,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-15 01:23:48,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:23:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-15 01:23:50,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:50,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 56 states and 127 transitions. [2022-12-15 01:23:50,950 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 127 transitions. [2022-12-15 01:23:50,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 01:23:50,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:50,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:50,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 01:23:50,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:23:51,149 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-15 01:23:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:52,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 59 states and 133 transitions. [2022-12-15 01:23:52,196 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 133 transitions. [2022-12-15 01:23:52,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-15 01:23:52,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:52,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:52,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-15 01:23:52,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:23:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-15 01:23:54,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:54,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 63 states and 147 transitions. [2022-12-15 01:23:54,622 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 147 transitions. [2022-12-15 01:23:54,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-15 01:23:54,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:54,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:54,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-15 01:23:54,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:23:54,912 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-15 01:23:55,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:55,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 66 states and 155 transitions. [2022-12-15 01:23:55,774 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 155 transitions. [2022-12-15 01:23:55,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-15 01:23:55,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:55,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:55,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-15 01:23:55,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:23:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-15 01:23:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:23:56,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 67 states and 157 transitions. [2022-12-15 01:23:56,659 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 157 transitions. [2022-12-15 01:23:56,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-15 01:23:56,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:23:56,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:23:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:23:56,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 01:23:56,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:23:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-15 01:24:01,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:01,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 71 states and 167 transitions. [2022-12-15 01:24:01,107 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 167 transitions. [2022-12-15 01:24:01,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-15 01:24:01,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:01,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:01,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 01:24:01,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-15 01:24:05,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:05,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 75 states and 186 transitions. [2022-12-15 01:24:05,915 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 186 transitions. [2022-12-15 01:24:05,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-15 01:24:05,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:05,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:05,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 01:24:05,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-15 01:24:07,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:07,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 77 states and 190 transitions. [2022-12-15 01:24:07,795 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 190 transitions. [2022-12-15 01:24:07,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-15 01:24:07,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:07,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:07,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:24:07,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:07,851 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-15 01:24:08,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:08,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 79 states and 197 transitions. [2022-12-15 01:24:08,731 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 197 transitions. [2022-12-15 01:24:08,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-15 01:24:08,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:08,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:08,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:24:08,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:08,781 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-15 01:24:09,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 80 states and 198 transitions. [2022-12-15 01:24:09,786 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 198 transitions. [2022-12-15 01:24:09,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-15 01:24:09,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:09,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:09,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:24:09,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:13,460 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-15 01:24:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:17,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 85 states and 219 transitions. [2022-12-15 01:24:17,288 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 219 transitions. [2022-12-15 01:24:17,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-15 01:24:17,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:17,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:17,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:24:17,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-15 01:24:19,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:19,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 87 states and 227 transitions. [2022-12-15 01:24:19,038 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 227 transitions. [2022-12-15 01:24:19,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 01:24:19,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:19,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:19,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-15 01:24:19,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 36 proven. 17 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-15 01:24:35,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:35,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 93 states and 245 transitions. [2022-12-15 01:24:35,239 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 245 transitions. [2022-12-15 01:24:35,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 01:24:35,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:35,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:35,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:24:35,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 19 proven. 35 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-15 01:24:50,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:50,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 97 states and 256 transitions. [2022-12-15 01:24:50,653 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 256 transitions. [2022-12-15 01:24:50,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 01:24:50,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:50,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:50,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:24:50,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:52,458 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-15 01:24:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:54,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 98 states and 258 transitions. [2022-12-15 01:24:54,017 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 258 transitions. [2022-12-15 01:24:54,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 01:24:54,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:54,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:54,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:24:54,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:55,611 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-15 01:24:56,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:56,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 99 states and 261 transitions. [2022-12-15 01:24:56,526 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 261 transitions. [2022-12-15 01:24:56,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 01:24:56,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:56,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:56,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 01:24:56,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:24:57,993 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-15 01:24:59,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:24:59,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 101 states and 264 transitions. [2022-12-15 01:24:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 264 transitions. [2022-12-15 01:24:59,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 01:24:59,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:24:59,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:24:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:24:59,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 01:24:59,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:25:02,481 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-15 01:25:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:10,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 106 states and 287 transitions. [2022-12-15 01:25:10,083 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 287 transitions. [2022-12-15 01:25:10,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 01:25:10,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:10,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:10,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 01:25:10,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:25:13,073 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-15 01:25:14,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:14,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 107 states and 289 transitions. [2022-12-15 01:25:14,189 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 289 transitions. [2022-12-15 01:25:14,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 01:25:14,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:14,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:14,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 01:25:14,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:25:16,265 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-15 01:25:16,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:16,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 108 states and 292 transitions. [2022-12-15 01:25:16,939 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 292 transitions. [2022-12-15 01:25:16,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 01:25:16,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:16,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:17,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 01:25:17,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:25:18,743 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-15 01:25:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:19,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 109 states and 294 transitions. [2022-12-15 01:25:19,636 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 294 transitions. [2022-12-15 01:25:19,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-15 01:25:19,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:19,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:19,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:25:19,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:25:19,677 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-15 01:25:22,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:22,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 111 states and 303 transitions. [2022-12-15 01:25:22,031 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 303 transitions. [2022-12-15 01:25:22,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-15 01:25:22,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:22,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:22,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:25:22,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:25:22,074 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-15 01:25:22,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:22,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 112 states and 304 transitions. [2022-12-15 01:25:22,670 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 304 transitions. [2022-12-15 01:25:22,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-15 01:25:22,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:22,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:22,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:25:22,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:25:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-15 01:25:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 113 states and 305 transitions. [2022-12-15 01:25:24,714 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 305 transitions. [2022-12-15 01:25:24,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-15 01:25:24,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:24,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:24,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:25:24,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:25:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-15 01:25:26,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:26,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 114 states and 306 transitions. [2022-12-15 01:25:26,493 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 306 transitions. [2022-12-15 01:25:26,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-15 01:25:26,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:26,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:26,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 01:25:26,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:25:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 47 proven. 28 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-12-15 01:25:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:37,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 118 states and 324 transitions. [2022-12-15 01:25:37,591 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 324 transitions. [2022-12-15 01:25:37,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-15 01:25:37,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:37,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:37,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 01:25:37,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:25:41,334 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 47 proven. 28 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-12-15 01:25:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:43,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 120 states and 333 transitions. [2022-12-15 01:25:43,892 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 333 transitions. [2022-12-15 01:25:43,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-15 01:25:43,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:43,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:43,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 01:25:43,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:25:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 47 proven. 28 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-12-15 01:25:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:25:59,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 121 states and 334 transitions. [2022-12-15 01:25:59,263 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 334 transitions. [2022-12-15 01:25:59,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 01:25:59,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:25:59,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:25:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:25:59,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 01:25:59,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:26:04,184 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 52 proven. 31 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-12-15 01:26:25,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:25,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 125 states and 350 transitions. [2022-12-15 01:26:25,599 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 350 transitions. [2022-12-15 01:26:25,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 01:26:25,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:25,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:25,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 01:26:25,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:26:28,255 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 52 proven. 31 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-12-15 01:26:43,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:43,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 128 states and 358 transitions. [2022-12-15 01:26:43,282 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 358 transitions. [2022-12-15 01:26:43,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 01:26:43,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:43,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:43,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 01:26:43,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:26:48,302 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 52 proven. 31 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-12-15 01:26:50,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 129 states and 360 transitions. [2022-12-15 01:26:50,285 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 360 transitions. [2022-12-15 01:26:50,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 01:26:50,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:50,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:50,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 01:26:50,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:26:53,235 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 52 proven. 31 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-12-15 01:26:55,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:55,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 130 states and 362 transitions. [2022-12-15 01:26:55,573 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 362 transitions. [2022-12-15 01:26:55,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 01:26:55,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:55,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:55,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-15 01:26:55,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:27:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-12-15 01:27:19,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:27:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 142 states and 396 transitions. [2022-12-15 01:27:19,980 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 396 transitions. [2022-12-15 01:27:19,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 01:27:19,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:27:19,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:27:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:27:20,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 01:27:20,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:27:23,192 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 52 proven. 31 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-12-15 01:27:25,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:27:25,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 143 states and 398 transitions. [2022-12-15 01:27:25,660 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 398 transitions. [2022-12-15 01:27:25,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 01:27:25,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:27:25,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:27:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:27:25,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 01:27:25,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:28:20,980 WARN L233 SmtUtils]: Spent 10.36s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 01:28:29,262 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-15 01:29:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:29:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 147 states and 422 transitions. [2022-12-15 01:29:21,431 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 422 transitions. [2022-12-15 01:29:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 01:29:21,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:29:21,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:29:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:29:21,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 01:29:21,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:29:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-15 01:29:31,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:29:31,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 149 states and 429 transitions. [2022-12-15 01:29:31,591 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 429 transitions. [2022-12-15 01:29:31,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 01:29:31,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:29:31,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:29:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:29:31,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 01:29:31,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:29:35,130 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-15 01:29:38,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:29:38,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 150 states and 431 transitions. [2022-12-15 01:29:38,935 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 431 transitions. [2022-12-15 01:29:38,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 01:29:38,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:29:38,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:29:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:29:39,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 01:29:39,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:29:41,677 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 35 proven. 60 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-15 01:29:53,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:29:53,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 151 states and 433 transitions. [2022-12-15 01:29:53,589 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 433 transitions. [2022-12-15 01:29:53,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 01:29:53,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:29:53,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:29:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:29:53,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 01:29:53,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:29:57,183 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-15 01:29:58,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:29:58,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 152 states and 434 transitions. [2022-12-15 01:29:58,904 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 434 transitions. [2022-12-15 01:29:58,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 01:29:58,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:29:58,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:29:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:29:59,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 01:29:59,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:30:03,354 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-15 01:30:09,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:30:09,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 153 states and 436 transitions. [2022-12-15 01:30:09,689 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 436 transitions. [2022-12-15 01:30:09,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 01:30:09,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:30:09,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:30:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:30:09,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 01:30:09,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:30:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-15 01:30:18,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:30:18,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 154 states and 437 transitions. [2022-12-15 01:30:18,385 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 437 transitions. [2022-12-15 01:30:18,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 01:30:18,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:30:18,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:30:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:30:18,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 01:30:18,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:30:22,815 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-15 01:30:24,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:30:24,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 155 states and 438 transitions. [2022-12-15 01:30:24,444 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 438 transitions. [2022-12-15 01:30:24,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-15 01:30:24,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:30:24,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:30:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:30:24,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:30:24,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:30:24,501 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-15 01:31:18,281 WARN L233 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 71 DAG size of output: 70 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 01:31:21,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:21,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 157 states and 448 transitions. [2022-12-15 01:31:21,510 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 448 transitions. [2022-12-15 01:31:21,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-15 01:31:21,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:21,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:21,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:31:21,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:31:21,563 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-15 01:31:25,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:25,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 158 states and 449 transitions. [2022-12-15 01:31:25,480 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 449 transitions. [2022-12-15 01:31:25,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-15 01:31:25,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:25,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:25,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:31:25,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:31:25,535 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-15 01:31:26,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:26,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 159 states and 450 transitions. [2022-12-15 01:31:26,642 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 450 transitions. [2022-12-15 01:31:26,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-15 01:31:26,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:26,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:26,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:31:26,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:31:26,704 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-15 01:31:28,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:28,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 160 states and 451 transitions. [2022-12-15 01:31:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 451 transitions. [2022-12-15 01:31:28,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-15 01:31:28,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:28,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:29,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 01:31:29,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:31:29,034 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-15 01:31:34,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:31:34,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 161 states and 452 transitions. [2022-12-15 01:31:34,936 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 452 transitions. [2022-12-15 01:31:34,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-15 01:31:34,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:31:34,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:31:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:31:35,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 51 conjunts are in the unsatisfiable core [2022-12-15 01:31:35,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:32:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-12-15 01:32:45,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 01:32:50,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:32:50,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 165 states and 471 transitions. [2022-12-15 01:32:50,568 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 471 transitions. [2022-12-15 01:32:50,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-15 01:32:50,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:32:50,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:32:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:32:50,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 01:32:50,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:33:03,203 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 41 proven. 67 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-12-15 01:33:25,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:33:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 167 states and 481 transitions. [2022-12-15 01:33:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 481 transitions. [2022-12-15 01:33:25,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-15 01:33:25,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:33:25,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:33:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:33:25,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 01:33:25,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:33:36,638 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 41 proven. 67 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-12-15 01:33:38,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:33:38,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 168 states and 482 transitions. [2022-12-15 01:33:38,769 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 482 transitions. [2022-12-15 01:33:38,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-15 01:33:38,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:33:38,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:33:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:33:38,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 01:33:38,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:33:59,054 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 67 proven. 50 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-12-15 01:34:27,252 WARN L233 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 362 DAG size of output: 223 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 01:35:19,942 WARN L233 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 246 DAG size of output: 219 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 01:35:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:35:33,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 172 states and 501 transitions. [2022-12-15 01:35:33,160 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 501 transitions. [2022-12-15 01:35:33,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-15 01:35:33,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:35:33,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:35:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:35:33,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-15 01:35:33,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:35:52,717 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 87 proven. 63 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-12-15 01:36:00,925 WARN L233 SmtUtils]: Spent 6.44s on a formula simplification. DAG size of input: 446 DAG size of output: 386 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 01:37:08,742 WARN L233 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 448 DAG size of output: 391 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)